Metacat

added check to see if a replication server's IP matched it's DNS entry and the entry in the replication table

fixes around getUsers and getGroups.
"getprincipals" action can now produce output like:

<principals>
<group>
<groupname>Administrators<groupname>
<user>
<username>uid=admin,o=NCEAS, c=US<username>
</user>
</group>...

Included back getting the list of users and groups stored in auth scheme
through new action="getprincipals". No extra parameters are needed.
Any logged in users are able to get this information

included missing implementation of getUsers(), getGroups() interfaces

Modifications to allow printing of SQL with and without INDEX option.

added print info and timing info

print the nested statements sql query

included flag in DBQuery to run pathqueries with or without the index,
but for the command line only.

added timing info to main

implemented interface for download of DTD or Schema file from Metacat file system
through the params:
action="getdtdschema"
doctype