Revision 1677674

FELIX-4869: Fixed comments.
FELIX-4875 - Update DM integration test with latest ConfigAdmin.
FELIX-4876: DM Annotations bnd plugin compatible with Bndtools 2.4.1 / 3.0.0 versions.
FELIX-4877: DM Annotations should detect service type using all possible DM API bind signatures.
FELIX-4878: Support more signatures for Dependency callbacks.
FELIX-4879 ConfigurationDependency should always "need instance".
FELIX-4880: Missing support for callback instance for some adapters.

Also did sone cleanup in some sample codes. Fixed some README typos.
The DM API is now exported with 4.1.0 version.