Made some changes to APIs
Fixed milli assignment error
Data format for chart.

Weight chart D3 stuff in progress...
Added APIs to view tags
Chart gets data from API

Make sure the Django server is running and you can access
`http://localhost:8000/api/list/weights/1/`.
Add id to weightChart
Starting workong on responsive chart
Fixed merge conflicts
Add styles for weight chart
Remove unnecessary NVD3 scripts
Remove unnecessary NVD3 dependency.
Move weight chart code from partial into directive.
Delete weight chart partial.
Slight attempt to make chart responsive
You can now look for tags based on a Workout
Added api for sets
Changed directive.js to now resize the chart when the window is resized
Fixed API for exercises by tag
Merge pull request #113 from CSc436/107APITagsUser

107 api tags user
Move weight chart to progress page.