Fix for studies and centres tables in client.
Fix for user logins.
WIP: replacing buttons with ui-sref links.
WIP: fixing studies tabset
WIP: fixed studies tabset
WIP: fixed centres tabset
Replaced divs inside h3 tags with span.
Added 'timeago' filter to display dates and times.
Changed jshint settings.

jshint settings file was not named correctly.
Added snapshot command handlers.
Fixed failing tests.
Refactoring form code on client side.
Client side refactring for all study annotation types.
Fix for tabset used to view a study.
More refactoring related to StudyAnnotationTypeEditCtrl.
More refactoring on client related to study annotation types.
Fixed client bugs.

Fixed display of options for a 'select' annotation type.

Fixed the date string parsing for the timeago filter.
Client side refactoring.
Client refactoring for panelTableService.
Client refactoring

- Implemented suggestions from AngularJS Style Guide by John Papa. See https://github.com/johnpapa/angularjs-styleguide.
- Fixed issue with pagination buttons not showing up with panelTableService.