Deprecate Plug-in org.eclipse.osgi.services

Part of #18

Author: HannesWell

bundles/org.eclipse.osgi.services/META-INF/MANIFEST.MF

@@ -1,7 +1,7 @@
 Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %osgiServices
-Bundle-SymbolicName: org.eclipse.osgi.services
+Bundle-SymbolicName: org.eclipse.osgi.services;deprecated:="Deprecated in favour of the original jars published by the OSGi working-group."
 Bundle-Version: 3.12.0.qualifier
 Bundle-Description: %osgiServicesDes
 Bundle-Localization: plugin