Debugger: Client Service synchronization

Sends connect command after all initial commands have been sent.
This ensures that the initialization is complete before the start
of the debugging session.

Change-Id: I1903caa9c213fef4e6b40df89a352d80e350a46d
Reviewed-on: http://codereview.qt.nokia.com/3526


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Christiaan Janssen <christiaan.janssen@nokia.com>