add favicon
move auth controller to separate module
add karma test for auth controller
move the nearby and ratings controller to different module
add test for nearby and rating controller
increase coverage of karma test
add maker on google map
add popup window for marker
add geolocation support
create button to get current location
fix karma test with geolocation
fix carousel with angular ui
add save rating method
Merge pull request #21 from victorleungtw/master

add karma test coverage and geolocation for google map