split up data manager. It was getting too big and messy
add all the APIv2 team endpoints to DataManager
Changed my mind. I want the mini-datamangers to be inner classes.
team views updated to support new individual team API endpoints
only show years for team dropdown when the team has competed. Fix #119
Add better null checking for event venues (thanks tests!)
Merge pull request #140 from the-blue-alliance/update-team-datafeed

Update Team Datafeed
Fix the API timeout on 304 situations
don't touch db records without permission. And validation that record exists
don't officially end refresh until all children are done
Cancel outstanding refreshes onPause of activity
don't double reload event lists
Refresh fixes. Database changes.
loading progress for when inserting into db
Add in the ability to cancel populate tasks - helps with thread blocking in raping changing of activities
Add ability to cancel second task
remove redundant casts
forgot one more query to cancel for
linebreak match titles
sort Team @ Event matches. Fixes #145