Feedback - track page hit & artists popularity
Basic functionality of login & feedback - end to end

Pending - director, music director screen, choose more artists etc.
Fix (#139) - Tweets are not getting loaded on artists page
Fix (#150) - Reviewer page fails for Shubha Shetty
Fix (#149) - Photos, songs, cast are already commented.

Removing the unnecessary commented code. The crawling for photos and
songs is handled from other part of code.
Fix (#155) - show top nav bar on hover

Facing small issue in hiding the nav bar on lost focus. It was creating
bad user experience. Hence left it as it is.
Merge branch 'master'