Added c3 charts on statistics page via angular
Merge branch 'angular-statistics-test' into develop
commit to not break
Basic and clean working version of the statistics API
Statistics API now supports multiple different data sources for the JSON
Integrated the statistics API with angularjs API calls
API now selectively displays dataset, workflow, and project data depending on http request parameters
Patched the statistics page's api request to check for empty objects
The Statistics API can now do type=dataset,workflow,project as well as the original method
Merge branch 'develop' of https://github.com/parklab/refinery-platform into develop

Merge branch 'develop' of https://github.com/parklab/refinery-platform into develop

Updating local develop branch to match origin's