EZP-20822: fixed phpdoc parameter hints for API service interfaces
EZP-20822: SectionService: fixed phpdoc and input validation
EZP-20822: LanguageService: fixed phpdoc and input validation
EZP-20822: ObjectStateService: fixed input validation
EZP-20822: UserService: fixed phpdoc and input validation
EZP-20822: fixed creating SPI Location with right type of data
EZP-20822: Trashservice: fixed phpdoc and input validation
EZP-20822: LocationService: fixed phpdoc and input validation
EZP-20822: ContentService: fixed phpdoc and input validation
EZP-20822: ContentTypeService: fixed phpdoc and input validation
EZP-20822: RoleService: fixed phpdoc and input validation
CS: Removed extra empty line
Fixed some phpdoc errors
Fixed updating Role with same identifier
EZP-20850: validate input languages on createContent() and updateContent()
EZP-20850: return 400 Bad Request when content fields do not validate
Fix EZP-20844: Anonymous group needs to have access to section/view policy
EZP-20850: improved exception messages
Merge pull request #359 from ezsystems/fix-EZP-20850-create-content-language-validation

Fix EZP-20850: Creating an image via REST fails
Merge pull request #363 from ezsystems/ezp_20844

Fix EZP-20844: Anonymous group needs to have access to section/view policy