Issue #1 create initial models

[swoloszynski]

What

• Add model for Contact
  • required fields: first_name, last_name, frequency
  • optional fields: phone, email, address, date_met, how_met, about
  • frequency has a set of choice values
  • model __str__ meta method returns first_name concatenated with last_name (tested)
• Add model for Connection
  • required fields: contact, is_complete, due_date
  • optional fields: notes
  • contact is a foreign key to Contact (one to many relationship)
  • model __str__ meta method returns Contact full name concatenated with due_date
• Migration included for adding above models
• Added code coverage tool
• Added tests for model methods
• Added instructions for running tests and code coverage in readme

  Test

• Bring your db up to date by running migrations

python manage.py migrate --list
python manage.py migrate kitcatapp

• Confirm no errors
• Run code coverage according to readme
  • Look at files corresponding to files in kitcatapp directory, particularly kitcat/htmlcov/kitcatapp_models_py.html
  • 
• Run tests