OLA: fixed OSX requirement to avoid manual tweaks
Audio: fixed crash on OSX happening on end of playback
Windows: changes to use Qt 4.8.6 and GCC 4.8
Added fixture: Contest Tri4U (thanks to Nicolas K)
Audio/Linux: if the selected playback device is not present, fall back to the default device
Plugins: fixed Peperoni information panel
Monitor: hide Fixture Item editor when removing a fixture
Monitor: code cleanup
Documentation: updated Monitor doc with the latest changes