Initial checkin of code to create a side pane for all messages.
Merge branch 'ww3-feature/show-all-messages' into ww3-feature/test

* ww3-feature/show-all-messages:
  Initial checkin of code to create a side pane for all messages.

Conflicts:
	webwork3/public/js/models/ProblemSet.js
Merge branch 'ww3-feature/clean-up' into ww3-feature/all-messages-sidepane

* ww3-feature/clean-up:
  More cleanup of messaging in Library Browser.
  Added stop acting as user functionality.
  Added logout functionality
  Fixed some errors with message templating.
  cleanup of the sidepanes of the library options, problem set list, user list.
  Revert "Added "Goto Target Set Button" on the library options side pane."
  cleanup of the sidepanes of the library options, problem set list, user list.
  Added "Goto Target Set Button" on the library options side pane.
  more refinements of the sidebar.
  Fixed the functionality and look of the open/close side pane
  Added a open/close button to the side pane.
  Some removal of old code.

Conflicts:
	webwork3/public/js/apps/CourseManager/CourseManager.js
Changed the styling on the All Messages side pane.
When errors in setting the date occurred, two messages were sent.  Deleted one.
Set the all messages side pane to scroll when too many messages.
Merge branch 'ww3-feature/js-libs-update' into ww3-feature/all-messages-sidepane

* ww3-feature/js-libs-update:
  Updated backbone-stickit,images loaded, jquery-ui, jquery, moment,
  The "Bugs" link wasn't working.
  Fixed a bug with the target set in the library options not being enabled.
  Changed the way "act as user" works in the class list view.
  Changed sidebar to sidepane.
  Fixed link to ww2 in order to keep effective user.
  Changed sidebar to sidepane.
  Changed sidebar to side pane to be consistent.
  Fixed some issues with the stop acting as user.
  Only certain side panes can be viewed for each main view.

Conflicts:
	webwork3/public/js/apps/CourseManager/CourseManager.js
Jquery path changed.
Merge branch 'ww3' of https://github.com/openwebwork/webwork2 into ww3-feature/all-messages-sidepane
Included All Messages side pane in the list of each main view.
Reworking the side panes to scroll in a nicer way.
Merge branch 'ww3' of https://github.com/openwebwork/webwork2 into ww3-feature/all-messages-sidepane

Conflicts:
	webwork3/public/js/apps/CourseManager/CourseManager.js
Merge pull request #370 from pstaabp/ww3-feature/all-messages-sidepane

Ww3 feature/all messages sidepane