Add MUAP to Music and Music Education majors

Conflicts:
	data/2013/major_to_subject_code.php.ser
Final updates to Explore Center narrative

This will apply to both the 2012 and 2013 editions
Final updates to Explore Center narrative

This will apply to both the 2012 and 2013 editions
Add http:// for link parsing
Consistent size of thumbs
Updates to EC section
Consistent linking of thumbnails
Move the EC box down a bit for visual continuity
2013 EC changes
Merge pull request #90 from smeranda/master

Clean up EC presentation and interactions
Consistent size of thumbs
Updates to EC section
Consistent linking of thumbnails
Move the EC box down a bit for visual continuity
2013 EC changes
Merge changes from 2012 bulletin forward