init hostname fix for issue #71
helps if i use the right django syntax.  also - testcases are good.
- updated instructions for testcase
- updated testcase in the bookmarklet
added a travis yaml file
dropped dev.txt and prod.txt in favor of requirements.txt for heroku
changed travis yml to use requirements.txt
Merge pull request #75 from OAButton/features/issue_71

Fixes issue #71 and adds travis builds to boot.  woot.