Added favicon
Added project_id to category table
Added triggers to refresh sidebar if approved status changed
Cleaned code to use partial
Added jQuery BBQ plugin functionality
Fixed jquery selector bug when working with multiple timesheets
Removed code that was clearing timesheet-container

Timesheet container was getting cleared after sidenav gets refreshed
So when user saves a timesheet after uploading multiple, the others get
cleared
Added new script to email approval lists and added mail error reporting to scripts
Added check to see if resource exists and throws 404 error if missing