adding types to ad inventory
renaming url to media to reflect richness of inventory objects
adding form to change the source and code to listen for contentupdate and report to the console
using DOM for logging instead of console (easier to observe on mobile)
implementing contentupdate event
correcting README pursuant to new contentupdate functionality
adding test cases for content update duing ad playback and non-ad playback
switching in-page logging so newer logs are on top
adding contentupdate to state machine
removing immediate call to requestAds, always on 'contentupdate' now
moving var declaration to top of function
Merge pull request #10 from videojs/bugfix/contentupdate

bugfix/contentupdate