add configuration for fixtures and api

Add alice bundle for fixtures and tests
add model with doctrine
add fixture loading
add default team
add tests
add api with serializer
fix fixtures order and add in travis
Merge pull request #21 from ZniehGames/add-units-api

Add team API
SpriteUtils now works
the sprite is now at the right place
sprite can't be placed on collision area
the sprite can be on an other one
add options for side and future
add number of units to place and the code is more structured