Cleanup work: Fixed some comments, removed tests for deleted filters and included underscore for the clock visualization tests.
Time series visualization

Retrieve Fitbit time series data and display it, up to 5 datasets in a
single chart.

Simple color coded legend and easy to use interface.
Updated time series visualization to new architecture for getting records. Also updated bower versions and karma includes. Closes #3.
Added time series endpoints to Fitbit app.
Updated dump to include an example of the time series visualization. It shows real sleep data from the Fitbit time series API over one week. Check out Test User 1's space "Sleep analysis."