Metacat

Add the code to handle the delete of the resource map.

Make the delete method work.

Make the deleteSystemmetadata method really roll-backable.

Add the code to delete systemmetadata.

Add a code to check if the pathquery engine is enabled in the checkIndexPaths method.

convert v2 SM to v1 SM for the v1 service call response

update to use v2 types for indexing

remove CN.systemMetadataChanged in favor of the CN.updateSystemMetadata method. Otherwise there's no good way to know where to fetch the auth copy from since the SM change might be to switch the authMN!

add support for v2 DataONE API.

remove dependency on HttpMessage that was in the utilities project but is now removed in favor of newer (standard) http client library code.