Made color of controls more visible (white).
Allow for live changing of video rate with osc.
File save/load of rate.
Fixed bug where movie was constantly polled for seeking and paused/played.
Uniformize rate to be in % (except in MediaImpl).
Bug fix in media paint gui to allow playback rate in file loading.
Merge branch 'develop' of github.com:mapmapteam/mapmap into develop