use correct field for revised date
icons are no longer question marks
Merge pull request #420 from Connexions/workspace-icons

Workspace icons are no longer question marks
parse the response from the POST
Remove "Miscellaneous" from workspace.

Fixes #423
Merge pull request #425 from Connexions/editing-new-books

EDITING: new books don't show up as subcollections in the workspace
Merge pull request #426 from Connexions/workspace-misc

EDITING: Remove "Miscellaneous" from workspace.
Merge branch 'editing' into editing-workspace-revised-date
add derived status if content was derived
Merge pull request #430 from Connexions/workspace-derived

WIP Workspace add derived status if content was derived
Remove Sign Up link
allow editing below existing content
implement revert by refetching
Merge pull request #435 from Connexions/revert-button

implement revert by refetching
Merge pull request #432 from Connexions/sign-up-link

Remove Sign Up link
Merge pull request #433 from Connexions/edit-below-existing-content

Edit below existing content
Merge branch 'editing' into fix-saving

Conflicts:
	src/scripts/models/contents/node.coffee