Merge pull request #126 from mattphoto/master

minor changes to the login
Integrated the new sign in interface
Changed mongo service
Merge pull request #128 from radicalsauce/master

Changed mongo service
Should be and instead of or
Merge pull request #127 from xue0chao/master

Integrated the new sign in interface
Fixed mongo connection
Merge pull request #129 from radicalsauce/master

Fixed mongo connection
sign in sign out shows and hides appropriately removes modal after sign in