Prepare Backend integration
Begin implementation of DB services
Port configuration subsystem and use it to initialize the database
Initialize DB Schema in Travis
Fix Doctrine DB configuration parameters
Fix path to Doctrine CLI tool
Fix parameter list for Doctrine CLI tool
Implement user authentication and provide simple testcase
Exclude third-party vendors from code coverage analysis
Rename AuthService to reflect its very function
Move BackendAuthService into separate Backend namespace
Merge branch 'database' into develop