- added support for resourceType
 - removed metadataScope from metadataInfo mapped to hierarchyLevel in ISO
 - added resourceType to resourceInfo mapped to hierarchyLevel in ISO
 - added resourceType to associatedResource not mapped to ISO
 - returned initiativeType in associatedResource to original ISO meaning
 - added resourceType to additionalDocumentation not mapped to ISO
 - bumped to version 0.9.0
 - updated gemspec for adiwg-json-schemas and json-schemsa