Introduce ModelInterface
Modification of model interface
'Layer model'
'Modification layer model'
'Modification composer configuration'
Remove models folder
Remove models files
' Update models files '
'Modification models files'
Introduce models tests
Remove model and property test
Bootstrap indentation & test modification
Test modification
Merge pull request #6 from auto-funk/getBranch

Introduce ModelInterface

Conflicts:
	phpunit.xml.dist
Fix CS...
Introduce TestCase class, fix bad namespace in InMemoryModelRepositoryTest (grrrrr)
Update deps