Adding scripts to transfer data between BIEN2 to VegX schema.
Bug fixes to models.py

Some bug fixes.
Slight hack in eml-coverage and veg.xsd to get around Django case-insensitivity & VegX entities that only differ by case.
Changed default db relationship to one2many from many2many

Committing first working copy of models.py. Other py/pyc files are added/modified just to get in repos.

Adding vegx definition. Current models.py building script.

Initial import of Django version of BIEN

Removing needless files.

Inital import for script that converts vegx files into django objects.

No longer need concept hash since values are now pulled directly from tapir service

First Import