Removed button type from searchButton spans
Cleanup
Added SharePoint.people filter option to reject people based on a given filter (prevent duplicates client-side too)
Created people-picker directive
Implemented people picker for student/instructor modal & updated headers for catalog/student/instructor modals
Made people-picker user message more generic for better reuse
Added ProcessData to share point model
Cleanup/ moved back to 25 page limit due to performance concerns