Fix for incorrectly using clamped resolution when looking for framerate match
Merge pull request #2044 from popcornmix/clamped_resolution_fix

Fix for incorrectly using clamped resolution when looking for framerate match
[cec] fixed - incorrect error message was being displayed in the toast popup when libCEC could not be found on the system (c+p is bad mmm'kay)
[osx] - log the window name if a window completly obscures XBMC and leads to framelimiting (so we can identify / add exceptional apps easily)
[pvr] fix loop in CGUIWindowPVRChannels::SelectNextGroup
[epg] fixed possible crash in CGUIEPGGridContainer::Render(). credits to forum user 'x-cimo'
... and fixed the typo in d108eaf9f9aa2cdf079f7edda2f087c966be7e8d
[pvr] work around for frodo to fix CPVRDatabase::RemoveStaleChannelsFromGroup for both sqlite3 and mysql