adds bearer token support for PlayReady protection system
fixes segment index calculation caused by javascript floaing point problem
Merge pull request #282 from MSOpenTech/development

Contains a fix for #281, adds bearer token support
fixes DVR window calculations for SegmentTimeline streams
sets live edge to the end of the last described segment instead of its start time
Merge pull request #284 from MSOpenTech/development

fixes DVR window calculations for SegmentTimeline streams
Added default document to web.config
Added dash.debug.js
Extended DRM support

* Adding Widevine support.
* Extending PlayReady support with optional CustomData.
* Adding option to override protectionData (including laUrl, cdmData &
license request headers) when instantiating the player.
* Moved parsing of CDM message into respective DRM license acquirers.
* Initial fix for Chrome 38 (when chrome://flags/#enable-encrypted-media
is set).