VcsBase - fix QSignalMapper

Force QSignalMapper to work.

Change-Id: Ic93a73c3e54ebfe5296cdd537cdc2aeff5c4b4df
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Mercurial: annotate - goto current line

Retrieve current line from editor and provide it to the client

Task-number: QTCREATORBUG-8067
Change-Id: Ia1a8c9556ffc975cf2bed72ed790aa02f7157ffc
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Git: Allow merge and rebase for detached HEAD

Change-Id: Ia00c061b1f4a705cf815052921e6f6cf43d0867d
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Squish: Added qmake to readme

tst_cmake_speedcrunch expects it

Change-Id: I4a192e47dc1007e969c0d8295044f3aa38f88d7b
Reviewed-by: Christian Stenger <christian.stenger@digia.com>