CPPEditor: Remove unneeded code.

Change-Id: I7f0263e461f5d03cd7ccde47ebbeaabad8d11c6d
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
QbsPM: Use environment QBS_{SOURCE|BUILD}_DIR in qmake project

Change-Id: I05bf910682effe3ef6e468a891f8e9e96f5827bd
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Move VCS topic next to file name

If no file is open, show it next to session/project name

New format is:
* foo.cpp [master] - session - Qt Creator
* session [master] - Qt Creator

Change-Id: I9945396ffadbffa8fca4b397dda33cfa54131997
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Git: Some cleanup for branches on show

* Suppress command logging
* If no branches are found, do not add "Branches:" line

Change-Id: Id32b5f429a5c0324ec9e6d9d016f47160e9e5012
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>