make axon-core OSGi compatible
make axon-distributed-commandbus OSGi compatible
make distributed-commandbus osgi compatible
Merge remote-tracking branch 'remotes/upstream/axon-2.0.x' into axon-2.0.x
make axon-core OSGi compatible
Merge branch 'axon-2.0.x' of git://github.com/lburgazzoli/AxonFramework into axon-2.0.x
Added OSGi configuration to all remaining modules

The maven-bundle-plugin has been configured to import and export the correct
packages. Some mandatory dependencies might have been marked as optional.

Issue #AXON-179 Fixed