** Removed old CoOps server implementation
** Updated ajax and xml ckeditor plugins
** Updated change ckeditor plugin
** Added javascript library diffxml-js
** Updated coops ckeditor plugins
** Added support for PATCH rest methods
** Added websocket dependency into webapp pom.xml
** Added jpa entity for storing CoOps sessions
** Added initial implementation of coops api implementation
** Added rest service that exposes CoOps API into webapp
** Switched Forge documents view to use new CoOps implementation
** Updated Forge documents view to use CKEditor version 4.3.2
** Moved CoOpsDocumentRESTService from rest to coops package
** Added initial draft of websocket support for coops
Merge branch 'devel' into FTR-110_COOPS
** Fixed bug in PublicationImageServlet that caused it to view error
page on cached images
** Changed notifications to be displayed with notification.js (from
CoOps demo)
** Centralized jquery-ui loading into gridbase
** Changed CoOpsApiDocument to use session user instead of logged user
in fileUpdate and filePatch operations (session scope is not active in
websockets)
** Added session id spoofing checks into CoOpsDocumentREST service
methods
** Added sessionId property into CoOpsSession entity
** Changed CoOpsApiDocument to use sessionId instead of id