Added new $crud wrapper and session management.
Corrected coherence mistakes in index.html
Added form tag to client edition page and bound ng-submit to $save()
Merge pull request #18 from damienfir/topic/client-side-crud

Added new $crud wrapper and session management.
Rename API to REST_API

rename to allow merge on mac os...
Merge pull request #19 from damienfir/issue/17-consistency

Looks good to me, did some tests on issue/20 and most things look good
Merge pull request #21 from damienfir/issue/20-access

merge model change for consistency, and basic access control
Made some progress on crud session management
Added some stuff for crud directive
Continued in crud
Corrected 2 issues in handler.py
1. when passing string or int, iteration was incorrectly handled
2. delete was called on entity instead of key
Removed reference to unneded service