remove chart.js gem and code, we are not using it anymore.
remove angularJS folder/code
remove jquery.js script from application.html and add jquery-rails gem. Require jquery and jquery_ujs in application.js
require all files under vendor/assets/javascripts
add highcharts.js
- added a render_data action in redis_trips_controller to render json representation of tweets.
- render a date time chart with tweet data on page load.
switch to highstock chart source code, add navigator bar for the chart