Squashed commit change set for code coverage being added.

Adding coverage pip dependency and coverage configuration file.

Update README.md for instructions on running code coverage metrics.

Removing random string generation and replacing with uuid as discussed in issue:

https://github.com/willthames/teamtemp/issues/6

Adding test to ensure new response id is resolvable by url mappings.

Removed unused test file from responses directory.

Revert "Removing random string generation and replacing with uuid as discussed in issue:"

This reverts commit 63257e0b1ca98967986a0e4d8d8958e09f8ace9b.

removing unused test case from team temp application.