Add osgi.implementation capability.

DS 1.3 implementations are required to provide this capability alongside the osgi.extender capability.
Also updated the maven module version to 2.0.0-SNAPSHOT to be aligned with the bundle version.


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1657578 13f79535-47bb-0310-9956-ffa450edef68
2 files changed