Moves the xsl stylesheets from public to lib.
Adds transcripts to audio model and gets the transcripts displayed.
Fixes the routes to some partials that were incorrect.
Reformats the show pages so that the transcripts display nicely on the page.
Fixes #550.
Adds tests for the transcripts helper and for video page to ensure transcripts are
being displayed.
Merge branch 'development' into implement-transcript-ui

Conflicts:
	spec/features/catalog/show_spec.rb
Changes the transcript_helper test and the audio model to reflect Drew's comments
Merge pull request #649 from afred/implement-transcript-ui

Implement transcript ui