Merge pull request #21 from victorleungtw/master

add karma test coverage and geolocation for google map
Merge pull request #22 from victorleungtw/master

fix karma test
Added free beer favicon
Added public/assets to gitignore
Merge pull request #23 from JulieMarie/mongoDB

Minor updates for images
Updated favicon to be transparent
Merge pull request #24 from JulieMarie/mongoDB

Updated favicon to be transparent