Started work on Manifest impl. Bug fix in xmlfun existy. Started effort of externalizing functions not specific to xml interactions from xmlfun so they can be used elsewhere without requiring xmlfun.
Bug Fixes. Initial pass Implementation of Manifest. Refactor of other code to use Manifest. Bug fixes.
Changed video.js dependency to 4.11 which now has source handlers merged in
Updated to using the 'global' module for accessing the window
Merge pull request #1 from heff/updates

Updated video.js dependency and added the global module
Renaming of various components/methods.\nRemove mse module dependency. Remove append vs. appendBuffer logic. Forward progress on tracking download time, checking/computing various values for availability, etc. for seeking and buffering behavior.