Dependency downloading is a bit more robust
Added Save button and listeners when "dirty"
Removed angularjs and moved Aloha to bottom of dependencies
Merged from bookish branch
Moved save code out of gh-book and into bookish branch
Merged changes from bookish branch and

removed redundant code from gh-book/views
Changed mediaType to match cnx
Merge branch 'bookish-only' into epub-only
CHanged mediaType to match cnx
Merge branch 'epub-only' into dev
Workspace is now a singleton so implementations can hook in easier
Fixed Firebug scrollTo problem
Clean up sign-in/out a bit
New content gets an id ('_NEW:*') so it can be added to a book

When the id updates on save the book updates its reference
Added ability to get the main layout
Added Note to Aloha toolbar
Save works when an id is set
Added Aloha CSS
Merge branch 'bookish-only' into epub-only
Fixed up to use Bookish.WORKSPACE singleton