Travis-CI: another attempt at making it work
Travis-CI: another attempt at making it work

Switching to OSX, because homebrew is more uptodate than
Ubuntu Ancient LTS, which is what Travis uses on Linux.

xbmc/libass,astiob/libass,libass/libass,ShiftMediaProject/libass,xbmc/libass,sanyaade-g2g-repos/libass,astiob/libass,stps/libass,stps/libass,libass/libass,Akemi/libass,mwgoldsmith/libass,ShiftMediaProject/libass,MrSmile/libass,mwgoldsmith/libass,sanyaade-g2g-repos/libass,torque/libass,Akemi/libass,MrSmile/libass,pigoz/libass-ct,grigorig/libass,mwgoldsmith/libass,grigorig/libass,torque/libass,Akemi/libass,torque/libass,pigoz/libass-ct,stps/libass,sanyaade-g2g-repos/libass,pigoz/libass-ct