Metacat

Create database and shared directories for database management code and shared code respectively.

Renamed MetaCatUtil to MetacatUtil

Move the DBAdaptor accessor into a DatabaseService class

qualify xml and eml properties with an xml. prefix

Merge 1.9 changes into Head

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

Changing the table name back to xml_index

Using xml_path_index instead of xml_index to find documents which havnt been indexed.

Replaced hardcoded namespaces with variable defined in metacat.properties

Changes in calls made to IndexingQueue class

New code for run an indexing queue and indexing thread which runs every 24 hours