Metacat

add support for temporal element query in pathquery
http://bugzilla.ecoinformatics.org/show_bug.cgi?id=2084

Merge 1.9.2 changes back into the trunk

As part of a patch fix for:

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=2469

I've added the complimentary setter methods to the getter methods
that are already present in the class:

setNodeId()
setNodeName()
setParentNodeId()
setNodePrefix()
setNodeIndex()...

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

1. Changed teh access modifier from public to private for variables
2. Added a new variable for nodedatanumerical
3. added a new constructor

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

Add some debug message.

Add a contenEquals method.

Add some getmethods.

changes to store namespace prefixes separately from the local names of nodes (elements and attributes)
in xml_nodes.nodeprefix column

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...