Add Copyright Header for .java and .xtend files

Remove Bundle versions
Change license

examples/org.yakindu.sct.standalone/META-INF/MANIFEST.MF

@@ -2,7 +2,8 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Standalone
 Bundle-SymbolicName: org.yakindu.sct.standalone
-Bundle-Version: 1.0.0.qualifier
+Bundle-Version: 0.9.0.qualifier
+Bundle-Vendor: itemis AG
 Export-Package: com.yakindu.sct.standalone
 Require-Bundle: org.yakindu.sct.model.sgen,
  org.yakindu.sct.generator.genmodel,

plugins/org.yakindu.sct.generator.csharp/META-INF/MANIFEST.MF

@@ -28,5 +28,5 @@ Bundle-Vendor: statecharts.org
 Export-Package: org.yakindu.sct.generator.csharp,
  org.yakindu.sct.generator.csharp.features
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 

test-plugins/org.yakindu.sct.generator.csharp.test/META-INF/MANIFEST.MF

@@ -12,5 +12,5 @@ Require-Bundle: org.yakindu.sct.test.models;bundle-version="1.0.0",
  org.yakindu.sct.generator.genmodel;bundle-version="1.0.0",
  org.eclipse.jdt.core;bundle-version="3.7.3",
  org.eclipse.ui;bundle-version="3.7.0"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Bundle-Vendor: statecharts.org