Test stubs
Testing user uniqueness
Duplicate player bug
Add support for insensitive index and validation of player_name
Remove extra user fab since duplicates cannot be created anymore
Merge branch 'player_name_case_sensitivity_bug'

Postgres needed some help with case insensitive search/index on player_name so SchemaPlus was added and a migration was created.
Database needs to be fixed before this is run by ensuring all player names are unique (without case).

* player_name_case_sensitivity_bug:
  Remove extra user fab since duplicates cannot be created anymore
  Add support for insensitive index and validation of player_name
  Duplicate player bug
  Testing user uniqueness
  Test stubs