Add "Open in Commit Viewer" in context menu of stashed commit
Add "Open in Commit Viewer" in context menu of stashed commit

Double-clicking a stashed commit in the repositories view already opens
the stashed commit in the commit viewer. But that's not exactly
discoverable. Having an explicit command in the context menu helps.

Change-Id: Ifcc81da4912ea4d25b7f007d7fe518fbd6c7e6b1
Signed-off-by: Thomas Wolf <8459781ac8835441ed2b344527c00d1cc5d7fce6@paranor.ch>
Signed-off-by: Matthias Sohn <446760a3fbea85cd5f8f4f5c3de304fe3a38014f@sap.com>
collaborative-modeling/egit,collaborative-modeling/egit