BZ-1032772: add support to clone external (via ssh) the system repository
Wire GWT's CloseEvent to UberFires BeforeClosePlaceEvent to ensure Popup Activities are released when popup is closed.
BZ-1032772: ops, forgot to prevent NPE if ssh isn't started
BZ-1035283: watch services now stop it's thread in case of fs is closed
Improve SimplePopup to check interaction of Focus Events and PopupView
BZ-1034801: Proper handle of file rename on git impl (preivously it generated an add and delete, now it just renames)
BZ-1001673: create a forceClose in order to avoid confirmation alerts after a path delete
BZ-1033976: removing (excluding) unnecessary dependency