Refactor tests to add base Functional test case
Add misc methods/optimization leading to command to insert relation between Team-Sprinter.

Add mapping for TeamMeber
Add findOneBy in Repository
Add functional test for doctrine mapping
Add tests for TeamMember
Add command to link team with sprinters.
Add missing  covers annotation
Remove duplicate mapping
Add required options.
Merge pull request #13 from yvoyer/feature/sprint-member

Feature/sprint member