Added models that parse/serialize to valid epubs
Updated XHTML edit action
Loading data is now silent
Initial github book editor
Merge branch 'dev' into epub
Merge branch 'epub' into gh-book
Resolve relative links in nav doc so models can be looked up
Removed log file
Large refactoring and got richer menus

With quick buttons to load other EPUBs stored on Github!
Merge branch 'dev' into epub
Merge branch 'epub' into gh-book
Renamed editor page
Changed the sample book URL and loading text
If the API rate limit exceeded then still load the workspace
Merge branch 'atc-only' into epub-only
Merge branch 'atc-only' into dev
Updated sample book URL
Merge branch 'atc-only' into epub-only
Merge branch 'atc-only' into dev
"Fork" button is now "Copy this Book!"