added new images to test group browsing
add google font links to index.html
added jQuery
added ionic JS for group browsing functionality
updated hamburger menu
added views for Edit Group screen and Friend Popup
changed buttons to be colored on Create Group screen
added view for Browse Groups
Added states for Browsing and Editing Groups
Removed any unused code (like login modal)
Updated controller for Browsing Groups
Updated controller for Editing Groups and Friend Popup
CSS update