Updated: update path_identification_string from updateMetadata()
Added: new dependencies for ContentHandler
Updated: changed parameter name and convertToAlias() visibility
Added: language id parameter to loadLocationEntries()
Removed: Legacy Storage specific SPI call
Update path identification string of all content locations
Fixed: default text for path identification string
Fixed: properly hint parameters
Tested: updating path identification string from updateMetadata()
Implemented: slug converter
Added: empty test class for slug converter
Integrated slug converter
Updated tests to use slug converter
Merge branch 'master' into EZP-20106-PathIdentificationString

Conflicts:
	eZ/Publish/Core/Persistence/Legacy/Content/UrlAlias/Handler.php
Tested: slug converter
Merge branch 'master' into EZP-20106-PathIdentificationString
Merge branch 'master' into EZP-20106-PathIdentificationString

Conflicts:
	eZ/Publish/Core/Persistence/Legacy/Tests/Content/ContentHandlerTest.php
Merge pull request #207 from ezsystems/EZP-20106-PathIdentificationString

Fix EZP-20106 remove path identification string awareness from services