Metacat

Changing the normalize function. Adding changes submitted by Johnoel. Removing code for converting " as " can be stored as it on Oracle. Removing code which strips out \n and \r

Removed occurence of enum which is a keyword in Java 1.5

Removed occurence of enum which is a keyword in Java 1.5

Changed the queries so that PreparedStatement.setString() and .setInt() are used instead of write the string directly into the sql statements

Fixed a bug from previous commit which removed whitespaces from documents.

Removed irrelevant code from previous commit

Removed code which entered value for nodedata in xml_index

Modified code such that nodedata column in xml_index is not created and used. So now we are using the same logic for using xml_index which was used for metacat release 1.4

Added new database upgrade script for postgres.
Modified the database upgrade script for oracle
Added comment to DBquery.java
Fixed a bug in xmltables.sql

Added code so that metacat administrator can delete any document.

Added the trailing '/' that was ommitted when XPATH queries included attributes.
This is a partial bug fix for:

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=2052