Metacat

Merge 1.9 changes into Head

Removed the release ant token from all files in 'src'.

Replaced access to NodeRecord.<variable> with NodeRecord.<getVariable>

Replacing MetaCatUtil.debugMessage or MetaCatUtil.logMetacat call with logMetacat (private Logger object) call

Chagnge debugMessage prototype.

Added license terms to source code files, and cleaned up some javadoc
documentation in a few places.

Modified the DBReader and ElementNode classes to more efficiently read
documents from the database. In the old implementation, a db connection
was opened for each and every node in a document, recursively fromthe root
node. In the new implementation, all of the data from xml_nodes is...

Added "release" keyword to all metacat source files so that the release
number will be evident in software distributions.

Added feature to now ouput COMMENTs and PIs when the document is
read from the database with DBReader.

Merged in substantial changes to DBWriter and associated classes and to
the MetaCatServlet in order to accomodate the new UPDATE and DELETE
functions. The command line tools and the parameters for the
servlet have changed substantially.

documentation cleanup

minor changes to TextNode

rearranged API for incrementing the node index within the parent node

code consolidation, cleanup, and documentation

improved error handling when docid not found

renamed ReaderElement to ElementNode

renamed BasicElement to BasicNode

continuing work on changing to DOM Text node model

continued changing to DOM TEXT node model

continued changing to DOM TEXT node model

Modifying storage model to use DOM TEXT nodes -- update is incomplete and query code doesn not work for this checkin

fixed entity parsing bug

changed package name to edu.ucsb.nceas.metacat.*

documentation updates

documentation additions

general cleanup and documentation

completed basic DBReader functionality. Can now read XML from DB using DBReader

adding recursive build for ReaderElement

created code to read XML doc from db source and emit it as an XML stream