Fixes #61782782 ethnicity calculation bug
Adds social media sharing for events
Fixes #61759362 showing "county county"
Adds page titles
Improves cohort links on high school panel
Adds AJAX loading for stats and participant tables
Honor audience on all views
Adds dynamic loading of the participants pages
Adds scholarship merging with arbitrary ID
Adds ID number to scholarship detail page
Merge pull request #19 from uwdreamproject/matt-develop

Adds scholarship merging and AJAX loading for participant lists
Adds favicon
Strips "www" from URL requests that include it
Adds scholarship excel download and "view all"
Fixes "year jump" bug on track my week buttons
Require new background checks yearly
Shows list of mentors who have submitted an activity log in weekly summary
Adds mentor avatar image handling
Adds retina header image
Switching mentor avatar size in mentor term list