Merge pull request #224 from byeo630/dev

Restyle ui for feed and footprint window.
Comment out broken dropdown code in navbar.js
Fix merge conflict in navbar.js
Add dropdown functionality to navbar
Merge pull request #225 from vreddy18/master

Add dropdown functionality to navbar
Fix friend styling(picture and name)
Fix merge conflict in navbar.js
Add footprintCount property to usernode
Merge pull request #226 from vreddy18/master

Add footprintCount property to usernode
Add navbar settings dropdown styling.
Fix merge conflicts in friends.html