OSMF SVN

Fix for FM-1247 ( http://bugs.adobe.com/jira/browse/FM-1247 )
- We reset the internal NetStream state using appendBytesAction when alternative tracks become unavailable.
- Added a new event type ( ACTION_NEEDED) in HTTPStreamingEvent to signal that HTTPNetStream needs to be reset
- Updated HDS mixer to dispatch a new event ACTION_NEEDED when the alternative track become unavailable
- Added a couple of new manifest URLs to LateBindingAudioSample.

- Added new property ( hasErrors) to IHTTPStreamSource interface to signal errors while downloading or processing fragments
- Updated HTTPNetStreamMixer to be more resilient when processing tags
- Updated HTTPNetStreamMixer to block onMetaData/onXMPData packets from alternate track (they were altering the total duration of main media)
- Updated HTTPStreamSource to correctly dispatch script data events to signal errors
- Updated HTTPStreamDownloader to correctly signal download errors
- Removed CONSUME_PASSTHROUGH, CONSUME_UNDECIDED, CONSUME_MIXED from HTTPStreamingState enum
- Updated HTTPNetStream to better differentiate between handlers and sources

[qe] mlm tests update

Fixed Rolling Window bug - windowDuration was not propagated correctly

[QE] MLM tests update default value for rollingwindow

Fix build system failures
- the scripts on the build machines are using classes from flexLibProperties when compiling OSMF.swc

Adding a conditional compiling for an override function

- just added an empty line at the end to test the ability to commit

Small updates to HDS components
- consolidated HDS states [ all HDS classes will use HTTPStreamingState, all other state enumeration classes were removed ]
- updated HTTPNetStream to play media while buffer is between desiredBuffer_Min and desiredBuffer_Max
- updated HTTPStreamingF4FIndexHandler to stop the bootstrap refresh when the HTTPNetStream is closed

[IntegrationTests] Marking as ignore_ DRM tests and parsing tests that fail. To be re added when they are fixed.