Metacat

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

- fixed missing replication of public_access
- new attribute catalog_id added in xml_documents and xml_revisions
as a FK to xml_catalog; catalog_id is replicated also

Included check up for <!DOCTYPE ... PUBLIC/SYSTEM ... >
in order to set the validation parser at runtime
In case of:
- no DOCTYPE declaration
- <!DOCTYPE docname>
validation is turned "off"
In case of:
- <!DOCTYPE ... PUBLIC ...>
- <!DOCTYPE ... SYSTEM ...>...

reject writing DTD file if it already exists

there were more mentions of DOCTITLE attr - cleared them