More stuff

- Use logger in crawler
- Fixed and compacted some indexes
- Change some mipp-updating code to prevent a shitload of mipps getting
created during testing
- Added migrations for new indexes
- Added index listing on PGSQL admin page
- Added some more graphs to item page, cleanup the way we load
dashboard graphs (and speed it up a bit)
- Reorganized item page a bit
- Cleanup in admin view