GitLab

- #99 change domain parsing to native function instead of mx classes.

- #70 load osmf classes as runtime libraries for bwcheck except a few required classes to be loaded first. the rsls are loaded from httpstreaming instead, but is required to be configured and loaded first in the config.
- cleanup rtmpcluster class and use builtin urlutil instead.

- #629 if start has been dispatched already prevent dispatching many begin events.
- Fixes for #15

- #15 add cache busting to the file being checked for availability to play back correctly once resolving has completed.