added the functionality to read the exif data from gallery pictures.
created a funtion in the Utility class that helps convert the DMS coordinates to degrees. Also clean some of the code.
Commit before MapActivity bug fix merge
Forgot to commit FormActivity
Extracted email account for authentification purposes. Added some improvements to the UI.
Merge branch 'master' of github.com:dcarrot2/sharkpulse_android

Conflicts:
	app/src/main/java/edu/stanford/baseline/sharkpulse/AppController.java
	app/src/main/java/edu/stanford/baseline/sharkpulse/FormActivity.java
Created method to encapsulate email extraction