Login activity
Added changes to strings.xml. reverted build.gradle to original value
Changed android.support.v7.app.ActionBarActivity to android.app.Activity
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