MP1-4307 Removed some unnecessary logging
MP1-4369 : Fix Stackoverflow.
Update several tuningdetails and grabbers (TNX Collective, FrankDrebin, RondD, Pirppuli, dshnr, vuego, Sjakko and Holzi!)
Merge branch 'MP1-Update_several_tuning_details_and_grabbers'
Merge remote-tracking branch 'remotes/origin/MP1-4307-BUG-fontEngine_crash_trigger_by_thirdparty_plugins_using_direct_call_in_GUITextureManager'
Merge remote-tracking branch 'remotes/origin/MP1-4369-BUG-MediaPortal_crashing_intermittently_when_interacting_with_the_TV_Guide'
Merge remote-tracking branch 'remotes/upstream/master' into 1.6.0Fork-BDJ