Used Ruby 2.2.1, Rails 4.2.0, AngularJS 1.4.8, Bootstrap 4
Rails backend reads the 'data/session_history.csv' file ignoring columns that not used in app, and converts it to JSON; Angular frontend render this data to charts using Google charts library wrapped into Angular directives
To run tests just run (you need installed firefox in your system)
rake spec
There are 14 tests at the moment
