Ensure mobile events are exported
Merge pull request #46 from edx/gabe/export-mobile-source

Ensure mobile events are exported
Fix flaky acceptance test
Merge pull request #48 from edx/gabe/fix-flaky-test

Fix flaky acceptance test
Update acceptance test for database exporter
Merge pull request #49 from rocha/update-exporter-acceptance-test

Update acceptance test for database exporter
User activity aggregates
fixup! User activity aggregates
fixup! User activity aggregates
fixup! User activity aggregates
fixup! User activity aggregates
fixup! User activity aggregates
fixup! User activity aggregates