Adding snapshot deletion functionality
Adding disk consolidation to delete snapshot
update vijava to 5.1

point vijava back to com.vmware to remove warning
correct-ify the boolean getter
removing throws declaration from getSnapShotInTree

In ALL cases, the return value is checked and an exception is thrown if
null.  Removing this throw will allow for simpler logic when snapshot
existence is checked.
Add ability to bypass failure on missing snapshot
Merge pull request #10 from elordahl/snapshot_deletion

Adding snapshot deletion functionality