Change plug-in to JAR shape and 1.7 JRE.

https://bugs.eclipse.org/bugs/show_bug.cgi?id=513266

Change-Id: I8092eb82c1cce6b3d39b1323ebd62297af3cec4a
diff --git a/releng/installer/org.eclipse.papyrusrt.installer/.classpath b/releng/installer/org.eclipse.papyrusrt.installer/.classpath
index 22f3064..098194c 100644
--- a/releng/installer/org.eclipse.papyrusrt.installer/.classpath
+++ b/releng/installer/org.eclipse.papyrusrt.installer/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/releng/installer/org.eclipse.papyrusrt.installer/META-INF/MANIFEST.MF b/releng/installer/org.eclipse.papyrusrt.installer/META-INF/MANIFEST.MF
index 35221df..8c93723 100644
--- a/releng/installer/org.eclipse.papyrusrt.installer/META-INF/MANIFEST.MF
+++ b/releng/installer/org.eclipse.papyrusrt.installer/META-INF/MANIFEST.MF
@@ -6,8 +6,7 @@
 Bundle-Vendor: %pluginProvider
 Bundle-ActivationPolicy: lazy
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
-Eclipse-BundleShape: dir
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Require-Bundle: org.eclipse.oomph.setup.installer;bundle-version="1.5.0",
  org.eclipse.oomph.setup.core;bundle-version="1.6.0",
  org.eclipse.oomph.util;bundle-version="1.5.0",
diff --git a/releng/installer/org.eclipse.papyrusrt.installer/build.properties b/releng/installer/org.eclipse.papyrusrt.installer/build.properties
index a63274e..cb77d66 100644
--- a/releng/installer/org.eclipse.papyrusrt.installer/build.properties
+++ b/releng/installer/org.eclipse.papyrusrt.installer/build.properties
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2016 Christian W. Damus and others.
+# Copyright (c) 2016, 2017 Christian W. Damus 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
@@ -16,5 +16,8 @@
                splash.bmp,\
                icons/,\
                plugin.properties,\
-               pom.xml
+               pom.xml,\
+               about.mappings,\
+               about.html
 bin.excludes = icons/**/*.pxm
+src.includes = about.html