Created HtSettingsModule\Entity\IdAwareParameterInterface
Added Json settings mapper
Applied PHP-Cs-Fixer
Dockblock fixes, added tests
Added Zend\Json requirement
Removeed json mapper, created file system mapper
Update requirements
Created factories for json mapper
Created xml adapter for filesystem mapper
Added xml storage mapper factory
Updated docs
Update README.md
Renamed SettingsMapperFactory to DbSettingsMapperFactory
Merge branch 'feature/filesystem-mapper' of https://github.com/hrevert/HtSettingsModule into feature/filesystem-mapper
Update config
Merge pull request #11 from hrevert/feature/filesystem-mapper

Filesystem storage mapper
Fixed #9