jasmine tests for firebase controller
add photo send function
comment for questionable variable
Merge branch 'master' of https://github.com/pocket-gophers-2014/sugarsnap into Robert
Merge pull request #16 from pocket-gophers-2014/Robert

Robert 
- added global coordinates variable
- set up module to send to firebase
Refactored XMLHttpRequest to send file to server, receiving url back. Ready to connect to firebase
Merge branch 'master' of https://github.com/pocket-gophers-2014/sugarsnap into send_urls_to_client