Incorrect Audio/Video Total index bug is fixed
Merge pull request #60 from senthil-codr/index_bug_fix

Bug fix for incorrect audio/video total index bug.
Fix unit tests.  Update baseline.

Merge branch 'development' of https://github.com/Dash-Industry-Forum/dash.js into development

Conflicts:
	app/js/dash/DashManifestExtensions.js
	app/js/dash/DashMetricsExtensions.js