Switch back to using /content
Merge branch 'master'
Removed manifest from Book
Saving folders should work
Added support for saving flat books

Moved the parse and serialize code out of container and into Book
Added support for saving overridden titles
Removed parseHTML helper since it is only used for books
Merge pull request #110 from Connexions/remove-put-and-post-to-slash-module

Remove put and post to slash module