CLC-2218 - Sentry & Google analytics are broken
https://jira.media.berkeley.edu/jira/browse/CLC-2218

Also:

* Changed all the .js.erb files to .js
* Feed in the application version + hostname
* Add current term to the classes feed
CLC-2218 - Gon gem - Fix tests & use before_filter
Merge pull request #1355 from christianv/CLC-2218

CLC-2218 - Sentry & Google analytics are broken