Add short docs on testing tasks, @graydon.
Only retain two days of observation data inside the DB.
Updated base.pt with sample TileImage/TileColor
Update favicon, add touch icon and tile image, closes #285.
Configure and attach a separate redis client to the async workers.
Add changelog for Redis client addition to Celery tasks.
Group and comment task schedule
Add a monitoring task to record Redis queue length.
Update to latest version of alembic, boto and statsd.
Update to latest version of simplejson.
Update to new version of redis Python library.
Initial sketch of bug #282, aggregate cell data export.
Address review comments on cell data export code, cc #282.
Fix minor typos/bugs preventing S3 upload from working.
Adjust export format to conform to agreement with OpenCellID
Add import/export doc.
Add once-a-day full export.
Normalize psc=-1 to empty field on export.
Use reduced redundancy and inherit ACL on export.