bugfixes
- "Playback seems stuck" started occurring recently (Chrome) #351
- Buffer hole inside the HLS stream #363
- Controller timer fixes #372
- player will download an old segment, if an old playlist was downloaded #373
- destroy abrController upon destroy() #376
- Poster-image removed due to initial seek in
stream-controller#377 - fix exception when merging level details
- catch/report exception raised by internal listeners