Blackberry: Fix build with Qt4

Change-Id: I8afd551c0893eb6a634ce57be43b4858d1dde2f5
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
ProjectExplorer: Add option to import existing builds

Add option to import existing builds back into Projects mode.

Click an "Add Kit" to get the entry (for projects that actually
support importing builds).

Task-number: QTCREATORBUG-7836
Change-Id: I43cf0f0ba5f80c88b6ffce1381f34f5591213e05
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Mercurial: Show current branch in project tree and window title

Task-number: QTCREATORBUG-11388

Change-Id: I55c966b5026e435d0fa4d24607b7b4a3c6d9e3dc
Reviewed-by: Nikita Baryshnikov <nib952051@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>