Add travis config.
Add build status to readme.
Fix failing language test.
Use simplejson to load ajax post data.
Merge pull request #145 from dnephin/some_build_things

Some build things I hit while setting up a dev environment
Merge pull request #147 from dnephin/add_travis

Add Travis CI config and fix remaining test failure
fixing individual class urls with a trailing slash
Merge branch 'add_travis' into export_event_calendar
Merge branch 'master' of https://github.com/orzubalsky/tradeschool into export_event_calendar