Added capsule_parser_tests to verify functionality.

Added capsule_parser in order to parse from json sent from java application into peewee models.

The download_db_models.sh script automatically creates a db_models.py file which contains the python version of our database schema. (John K, Sam N)
Merge branch 'master' of https://github.com/Betulaphobe/ChatCapsule

Conflicts:
	chc_server/test/server_connection_tests.py
(John K, Sam N)
Completed merge (John K, Sam N)