Added unitest for the player model
Added team model and his relations with player model, their migrations and their specs
Added factory girl in the Gemfile
Added email to player model
Added factories for player and team models, and their refactored test
refactored factories and correction of tests
hot fix of the team_with_players factory
Default value to picture at team and player model, added accepts_nested_attributes_for players at team model and add validate presence of email at player model
Refactored test for Player and Team models
Merge pull request #1 from tangosource/feature/player_module

Player and Team Models with Unitest