Metacat

Add code to handle solr query.

Add a class to handle solr query.

Remove those obsolete index classes.

Merging the METACAT_2_0_6_BRANCH changes for [M|C]NodeService into the trunk.

allow verification date to be updated for replicas (patch from Skye). https://redmine.dataone.org/issues/3699

select only distinct guids (synch may have failed more than once for any given guid)
https://redmine.dataone.org/issues/3539

include xml_revisions.
do not allow removal of server_location = 1 documents (these are not replicas).
https://redmine.dataone.org/issues/3539

include size and format datcite elements (optional) and use more general resourceType without formatId in them (Dataset/metadata and Dataset/data). http://schema.datacite.org/meta/kernel-2.2/doc/DataCite-MetadataKernel_v2.2.pdf

lookup the title for EML files when registering DOIs.
lookup the creator from DataONE CN (if available).
add EML-based test. http://bugzilla.ecoinformatics.org/show_bug.cgi?id=5513

Set the session to null so that the call uses the CN certificate when calling MN.systemMetadataChanged();