Merge pull request #75 from omkarv/reward

Added styled tooltips, reward alert animation
Fixed rating click tracking
Merge pull request #76 from omkarv/ratingclickfix

Fixed rating click tracking
Change test data
Redo sample data
Merge pull request #78 from vhalbwachs/email-filter

Change data populator
Revamped toggle overlay feature in dashboard chart.
Updated color theme and behavior of chart setting buttons.
Fixed the color toggling of all buttons.
Merge pull request #77 from marcoau/development

Revamped toggle overlay feature in dashboard chart.
Modified morris charts
Modified morris tooltips
Changed home page colors