Import GA stats into our database

[anuveyatsu]

Short description of bug or feature need. [Can have user story if an epic]

Acceptance Criteria

• ...
• ...

Tasks

Task list for a non-epic issue

• ...
• ...

For Epic: this task list should be a list of subissues (occassionally allow some non sub-issue items)

• Create Search API #{link to subissue}
• Tidy up CSS <-- no subissue for this one because it is so simple

Analysis

Useful links:

https://developers.google.com/analytics/devguides/reporting/core/v4/
https://ga-dev-tools.appspot.com/query-explorer/