Release new version 2.2.0

Author: urs.graf

META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: deep compiler
 Bundle-SymbolicName: org.deepjava.compiler;singleton:=true
-Bundle-Version: 2.1.0
+Bundle-Version: 2.2.0
 Bundle-Activator: org.deepjava.eclipse.DeepPlugin
 Require-Bundle: org.eclipse.core.runtime;bundle-version="3.5.0",
  org.eclipse.jdt.launching;bundle-version="3.5.1",