Squish: Wait for parsing in __configureCustomExecutable__()

Change-Id: I798a29aa9a4676edd1493f4973d29f8725e117e5
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Squish: Fix issue with menu invocation on Mac

Squish 5 has problems to handle menus on Mac for Qt5.2 builds.

Change-Id: I533f8fcd2c8a2786ae354cd92e92efad0fb1dd57
Reviewed-by: Robert Loehning <robert.loehning@digia.com>