Bumped to v0.6.0.
Bumped to v0.6.0.

tv2/videojs-ima,googleads/videojs-ima,ypavlotsky/videojs-ima,valse/videojs-ima,googleads/videojs-ima,ypavlotsky/videojs-ima,shawnbuso/videojs-ima,shawnbuso/videojs-ima,valse/videojs-ima,tv2/videojs-ima