:poop:

Added ContractInstance model to be fleshed out later.
Added requirements.txt for development requirements
[WIP] Added runtests.py for running tests without a surrounding Django application
Added empty Resource model
Added a very simple test case for test execution
Add some initial database migrations for testing purposes
Merge changes from @darylantoy that massively simplify contact logic
Holy moly, passing test that highlights a few potential issues with the current implementation. @darylantony, please check this out and hit me up with questions