Merger DBConnect branch to head.
Added license terms to source code files, and cleaned up some javadocdocumentation in a few places.
Added "release" keyword to all metacat source files so that the releasenumber will be evident in software distributions.
Fixed bugs associated with the new UPDATE and DELETE functions ofDBWriter. There were problematic interactions between some staticvariables used in DBEntityResolver and the way in which theServlet objects are re-used across multiple client invocations....
Merged in substantial changes to DBWriter and associated classes and tothe MetaCatServlet in order to accomodate the new UPDATE and DELETEfunctions. The command line tools and the parameters for theservlet have changed substantially.
documentation cleanup
to use single transaction
Modifying storage model to use DOM TEXT nodes -- update is incomplete and query code doesn not work for this checkin
changed case 4/ to be like case 3/ when no doctype specified
document root node, doctype changes
made changes about document doctypes
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.