Add simple contacts app example
Add comments for the basic contacts app example
Add the contacts example to the docs
Make the readme for the contacts app example a little less useless
Clean up tests for basic contacts example
Merge branch 'develop' into feature/issue-140-basic-example-for-using-contacts

Conflicts:
	docs/index.rst
Merge branch 'feature/issue-140-basic-example-for-using-contacts' into develop