Use Tycho (0.21) and new CBI (1.1.1) version

Change-Id: Ibcb2c438fd023a5078f3c650c7cd36a8a196bfb5
Signed-off-by: Markus Knauer <mknauer@eclipsesource.com>
diff --git a/releng/org.eclipse.rap.tools.build/pom.xml b/releng/org.eclipse.rap.tools.build/pom.xml
index 574a618..554a366 100644
--- a/releng/org.eclipse.rap.tools.build/pom.xml
+++ b/releng/org.eclipse.rap.tools.build/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright (C) 2011, 2014 EclipseSource and others
+  Copyright (C) 2011, 2014 EclipseSource and others.
   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
@@ -20,9 +20,9 @@
   <packaging>pom</packaging>
 
   <properties>
-    <tycho-version>0.20.0</tycho-version>
+    <tycho-version>0.21.0</tycho-version>
     <tycho-extras-version>${tycho-version}</tycho-extras-version>
-    <signing-plugin-version>1.0.4</signing-plugin-version>
+    <signing-plugin-version>1.1.1</signing-plugin-version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <tycho.scmUrl>scm:git:git://git.eclipse.org/gitroot/rap/org.eclipse.rap.tools.git</tycho.scmUrl>
     <!-- disabled due to bug 393977