DocBlock cleanup
Ran PHP CS fixer
Removed ModelNotSupportedException
delete tests for removed exception
Splitted DI config
Merge remote-tracking branch 'origin/docblock-cleanup'
Merge remote-tracking branch 'origin/issue-90'

Conflicts:
	Extractor/SeoOriginalUrlExtractor.php
Splitted DI config
Merge pull request #100 from symfony-cmf/split-di-config

Splitted DI config
Moved SeoConfigValues to DependencyInjection namespace
fix to get tests run
Fixed old namings of (title|description)Key