First Draft Project Model

Added fields in schema, and comments about fields that are dependent on
other models or need discussion on.
Added project to included apps and cleaned up project models.py code
Project model constructor test
Updated test to see if storing and retrieving work for the project model
First Draft Project Model

Added fields in schema, and comments about fields that are dependent on
other models or need discussion on.
Added project to included apps and cleaned up project models.py code
Project model constructor test
Updated test to see if storing and retrieving work for the project model
Added migration file for project model
Added test for saving and querying project models
Merged with pull request 5
Merge branch 'project_model' of github.com:calblueprint/revolv into project_model