[#181][WIP] changed name of test for remove_conn
[#181][WIP] added test for create_with_omniauth (not working yet)
[#181][WIP] added UML
[#181][WIP] added tests (Y)
[#181][WIP] updated code conventions
[#181][WIP] UML updated
[WIP][#181] scenario updated
[#181][MC] merged conflicts