[1604] Set BREE to JavaSE-1.8 to fix compiler errors

Change-Id: I8908703d7eba4f7582bd72cb97c9949534a17c6d
Signed-off-by: Felix Dorner <felix.dorner@gmail.com>

common/plugins/org.polarsys.capella.common/.classpath

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<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.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>

common/plugins/org.polarsys.capella.common/.settings/org.eclipse.jdt.core.prefs

@@ -1,7 +1,7 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8

common/plugins/org.polarsys.capella.common/META-INF/MANIFEST.MF

@@ -12,7 +12,7 @@ Require-Bundle: org.eclipse.core.runtime;visibility:=reexport,
  org.eclipse.emf.workspace,
  org.eclipse.emf.query,
  com.google.guava;bundle-version="15.0.0"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.7
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-ActivationPolicy: lazy
 Export-Package: org.polarsys.capella.common,
  org.polarsys.capella.common.activator,