CHANGE: Now python event callbacks process events as modules with NORMAL priority level, instead of processind them after all modules (i.e. below Lowest priority). This allows python event callbacks to mark events as processed before they are passed to lower-priority modules.
NEW: Scriptable mission control client (WIP)
NEW: MissionControlClient extended and exposed to python
fixed header guard name
removed `-mc client` command line option. Mission control clients can be controlled directly through scripting now.
FIX: PythonInterpreter was not loading local modules anymore due to missing './' added to python paths.