Login activity
Added changes to strings.xml. reverted build.gradle to original value
Changed android.support.v7.app.ActionBarActivity to android.app.Activity
removed cruft from location fragment
changed version in manifest
Added handling of incorrecy username/password
Login request gets token
1. Login catches all login errors (network and server.)
2. Login activity is now main activity.
3. Logout button works.
Merge branch 'master' of github.com:calblueprint/feeding-forward into nish/login
Deactivate log in button while attempting login
Removed null-pointer-error-causing log statement
Merge pull request #24 from calblueprint/nish/login

Nish/login
added android async library for easy android asyncs
build files for new library
new build file to for android async
added geocoder api key -- not sensitive so it should be fine in version control
added text field for location
location is much more accurate and autopopulates the text field
added form fragment
removed many unnecessary imports