made changes about document doctypes
updated handler to deal better with Public IDs
fixed DBSimpleQuery after doctype additions done by Jivka
Fixed package bugs in new Entity and comment handling code, updated Makefile
Included new features about writing XML documents into dbThis includes writing data into db XML Catalog, document data into xml_documents,comments into xml_nodes, added nodeindex for the order of elements by given parent element.
changed package name to edu.ucsb.nceas.metacat.*
documentation updates
documentation additions
general cleanup and documentation
Partially functional SAS DB loader.
Split XML SAX handler class into seperate file DBSAXHandler.java