When copying a page, drop it next to the navmodel, and transform all images and links.
Merge pull request #14 from oerpub/phil-assorted

Add "Unsaved Changes" and fixup some collaboration cases
saving new content no longer keeps the new content in set to save
added explicit state for isDirty and hasRemoteChanges to models

Updated the views, mixins, and templates
fix when remotely-updated is set, style the icons

change commitSha to blobSha to more accurately describe the sha stored
only set save if the dirty bit is set to true, remove asterisk from chapters
Merge pull request #17 from oerpub/phil-state-icons

Phil state icons