Metacat

added interface to handle a new "acl" parameter bringing the text of a xml access file for a given metadata document
the "acl" parameter is optional and should be sent on INSERT or UPDATE action.

new class for parsing ACL XML file and loading acl data into metacat db

added delete functionality

added support for server_location in the xml_revisions table.

removed inadvertent comments

removed dependence on a server code in the accession number of each document. the file's resident server is now located in xml_documents.server_location.

no message

now updates the xml_replication last_checked field

updated javadoc documentation

fixed bug/typo