Added missing dataTables images
Admin Users & Message List Cleanup

* View Users in System
* View No. of Messages Sent By Users

* View Message Re-Pings on People
* Organized Messages view separate by message type sent
* refs #93
* TODO: cleanup Admin functions
* TODO: add Behat tests
Merge pull request #100 from ushahidi/admin-dev

Admin dev
Cleaning Up Lists
Merge pull request #101 from ushahidi/admin-dev

Cleaning Up Lists
Message List Bug
View Re-Pings in Lists
Merge pull request #102 from ushahidi/admin-dev

Admin dev
Groups UI Updates

* Updated UI to fix issues with managing people in groups
* closes #103
Merge pull request #104 from ushahidi/groups-dev

Groups UI Updates
Removed test code
Merge pull request #99 from ushahidi/ui-refactor

Ui refactor
Merge branch 'master' of github.com:ushahidi/pingapp into ui-refactor

Conflicts:
	application/views/pages/groups/edit.php
	application/views/pages/messages/index.php
	application/views/pages/people/view.php