Add py.test so could use assert x == y expressions.
Started development of model DailPopulationCount
Implemented first non-persistent version of DailyPopulationChanges
VS 2.1.2 - added basic wiring test for Web API test for /daily_population_changes
VS 2.1.2 - Updated documentation to reflect changes.
Added automation tool, invoke, and wrote tasks to run tests and to do the deploy.
VS 2.1.2 - Fixed up documentation, correcting typos and adding missing section on committing code.
Merge pull request #185 from nwinklareth/v2.0-dev

Implemented VS 2.1.2 - fetching summarized daily_population_changes
Merge pull request #187 from bepetersn/fab-rework

improve fabfile
added test for post calls to dpc
opened up /dpc url for post requests
re-purposed DPC model as a wrapper around a JSON file
implemented functional POST behavior for DPC API
renamed test_pgsql_installation file
also renamed all the other tests, slightly
fixed refactoring error in dpc model