remove unused import
force to reload manifest by tweaking the URL.
this it to avoid issues with browser/flash that are reloading from cache even if the remote URL has been updated
see http://stackoverflow.com/questions/14448219/as3-resetting-urlloader-cache
should improve https://github.com/mangui/HLSprovider/issues/65
fix playlist parsing issues, retrieve URL from next non commented line after #EXTINF
should fix https://github.com/mangui/HLSprovider/issues/68
all test playlists have been retested with this changes, and they are still working fine
add robustness to PES parsing
fix https://github.com/mangui/HLSprovider/issues/67
fix short playback artificats when doing seek in paused mode
fix https://github.com/mangui/HLSprovider/issues/66
improve accurate seeking behavior in case multiple keyframes are present in seek segment
only append video tags starting from last keyframe before seek position to avoid playback artifacts
in case there are multiple keyframes per segment, if we append all keyframes in NetStream, all of them will be displayed in a row and this will introduce some playback artifacts
fix https://github.com/mangui/HLSprovider/issues/66
remove warnings
HLSProvider/OSMF: setup stream type correctly
should fix https://github.com/mangui/HLSprovider/issues/69
fix player stop loading fragment issue that could happen with live playlist / slow bandwidth
bashism
add min_buffer parameter.

For live streaming reducing min_buffer allows us to switch from a feed to another much faster.
merged from https://github.com/r0ro/HLSprovider/commit/59c6622cfd6b0740a7108e95f6ef1afe025e96cc
HLSProviderChromeless.swf:add a callback when video size is available, handle stage resize
merged from https://github.com/r0ro/HLSprovider/commit/ee27c367c54f191abb2b005af76818b7155f6199
update as3-crypto license
add logger infrastructure

4 levels defined : info/debug/warning/error
they are dynamically configured
currently controllable through ChromelessPlayer test page
report error in case of TS parsing errors.
add debug loggers to track PAT/PMT parsing status
related to https://github.com/mangui/HLSprovider/issues/71
reduce log2 verbosity when extracting ID3 tags
support audio-only playlists
related to https://github.com/mangui/HLSprovider/issues/72
warn in case ID3 header is found without timestamp
support MPEG-1 Layer 3 ES (.mp3)

blind implementation as I dont have any streams to test it against.
the changes are harmless for other playlists, that are still working fine.
try to reparse TS with fallback PIDs in case no PAT/PMT found (mimic IOS behaviour)

remember audio/video PIDs from previous TS parsing and try to use them in case no PAT/PMT found in TS segment.
this should add some robustness and fix some issues with badly segmented streams.
should improve https://github.com/mangui/HLSprovider/issues/71
regular test streams are still working fine after this change.