Fixed #610 add selection of changes to unshelve
Was already merged in Bitbucket before import, marked as merged by the import user
- Starting 'issue610-add-selection-of-changes-to-unshelve' branch.
- Updated javahg version to 0.15-SNAPSHOT.
- Use JavaHg in ShelveClient for commands from the Shelve extension.
- Minor: updated cleanup profile.
- Fixed missing groupId specification.
- Added selection of a shelve to unshelve.