upgrade ruby version
Merge remote-tracking branch 'heroku/master'
Use some caching on Prisms
Merge branch 'develop'
Optimize Prism queries

Uses eager loading for Prism visualization to avoid N+1 queries
virtually blank commit to recompile javascript. crosses fingers and braces for impact
Update caching actions
Don't cache the index view
Remove content_for block from visualize

content_for is not applied in caches. See http://apidock.com/rails/ActionView/Helpers/CaptureHelper/content_for
Completely remove content_for tag
debugging input for heroku views
Changes the contact link to git-issues link.
removes caching as test.
Well that didn't work.
Add a Note to Teachers

Add text to explicitly state the experimental nature of the website
Notice update

Added praxis team
Merge branch 'master' into develop
Testing some stuff.
Fix typo
Wayne told me to do some…stuff.