Adding chromium html5, opera flash-html5 and mpv

Changed to debug 2, just testing.
Fixed mixed indentation.
Opera and Firefox flash report WM_STATE_ABOVE instead of fullscreen, added a variable for that and join firefox with the other apps.
Added opera flash and html5 support.
Added chromium html5 support and extra win_title for chromium flash.
Chrome --type=gpu_process was not in my system, so I changed it to just chrome.
Added mpv detection.