Add missing plugin
diff --git a/plugins/org.polarsys.chess.feature/feature.xml b/plugins/org.polarsys.chess.feature/feature.xml
index 592cad7..02908d9 100644
--- a/plugins/org.polarsys.chess.feature/feature.xml
+++ b/plugins/org.polarsys.chess.feature/feature.xml
@@ -1,197 +1,204 @@
-<?xml version="1.0" encoding="UTF-8"?>

-<feature

-      id="org.polarsys.chess.feature"

-      label="CHESS Polarsys"

-      version="0.10.0.qualifier"

-      provider-name="Polarsys CHESS Project">

-

-   <description url="http://www.example.com/description">

+<?xml version="1.0" encoding="UTF-8"?>
+<feature
+      id="org.polarsys.chess.feature"
+      label="CHESS Polarsys"
+      version="0.10.0.qualifier"
+      provider-name="Polarsys CHESS Project">
+
+   <description url="http://www.example.com/description">
       The CHESS feature provides the CHESS editor and the model transformations 
 supporting the CHESS methodology for the development of high-integrity
-systems.

-   </description>

-

-   <copyright url="http://www.eclipse.org/legal/epl-v10.html">

+systems.
+   </description>
+
+   <copyright url="http://www.eclipse.org/legal/epl-v10.html">
       Copyright (c) 2011-2015 UPD-Intecs
 All rights reserved.   This program and the accompanying materials
 are made available under the terms of the Eclipse Public License
 v1.0 which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/epl-v10.html

-   </copyright>

-

-   <license url="http://www.eclipse.org/legal/epl-v10.html">

+http://www.eclipse.org/legal/epl-v10.html
+   </copyright>
+
+   <license url="http://www.eclipse.org/legal/epl-v10.html">
       This program and the accompanying materials
 are made available under the terms of the Eclipse Public License
 v1.0 which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/epl-v10.html

-   </license>

-

-   <plugin

-         id="org.polarsys.chess.chessmlprofile"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.commands"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.core"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.discovery"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.m2m"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.validator"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.wizards"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.service"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.codegen.ada"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.monitoring"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.multicore"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.tabbedproperties"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.diagram.ui"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.properties.propertyEditor"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.constraints.constraintEditor"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.OSSImporter"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.diagramsCreator"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.smvExporter"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.functionBehaviors.functionBehaviorEditor"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.paramArchConfigurator"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.patterns"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.patterns.library"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.patterns.profile"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-   <plugin

-         id="org.polarsys.chess.tradeoffAnalysis"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"

-         unpack="false"/>

-

-</feature>

+http://www.eclipse.org/legal/epl-v10.html
+   </license>
+
+   <plugin
+         id="org.polarsys.chess.chessmlprofile"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.commands"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.core"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.discovery"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.m2m"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.validator"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.wizards"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.service"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.codegen.ada"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.monitoring"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.multicore"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.tabbedproperties"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.diagram.ui"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.properties.propertyEditor"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.constraints.constraintEditor"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.OSSImporter"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.diagramsCreator"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.smvExporter"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.functionBehaviors.functionBehaviorEditor"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.paramArchConfigurator"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.patterns"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.patterns.library"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.patterns.profile"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.tradeoffAnalysis"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.polarsys.chess.checkers"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+</feature>