initial tests for groups features
implement mock API for groups retrival and creation
changed creating API to a POST request
add API for inviting members to groups
changed test name
Cleaned up imports
add setup for friends mock up API points
fixed mock for /friends/...
clean up imports
clean up
more clean up
changed comments
changed structure of urls
deleted old folders
additional cleanup
Merge pull request #1 from BNOTIONS/mock_server

Mock server