Add eBird documents
Make dev/user more configurable
Split sightings into taxon / sighting
Merge in John's cool changes
Fixes for import

- Add ability to skip some rows
- deref the transaction so we are informed of failures
- retry on transactor timeout
Merge pull request #4 from neo/index-common-names

Modify schema.  Add route for species counts.
Merge branch 'master' of github.com:neo/bird-man into add-d3
WIP -- performance improvements