Footprint record

This is a work in-progress. The interesting bits to review might be the main/*.py files.

* added basic solr configuration via django-haystack
* first bits of footprint record entry w/an autocomplete via Solr's NGram field.
It looks like she meant `hasattr()` rather than `getattr()`, but the `gettatr()` with with a default value looks like an even nicer solution.