Make the git plugin look for the binary in the path specified in the settings. Previously, the environment was passed to the process, but that did not affect the location of the binary.

Details:  saves 20% startup time. patch for Qt 4.6 at
http://codepaster-nokia.troll.no/?id=11918.

Task:     - 244263
RevBy:    - dt

RevBy: ossi

There is no need to "expand" again the scope we get from invoking `resolve'.
(cherry picked from commit c72c84d8)

There is no need to "expand" again the scope we get from invoking `resolve'.

There is no need to "expand" again the scope we get from invoking `resolve'.

also, make it complain upon abuse of this call.

information
Details:  the user should make a conscious decision to switch it off

information
Details:  the user should make a conscious decision to switch it off