Upgrade an empty database, then run the regression tests using it.

Test the regression database:

	o  run the regression database against the old cluster
	o  dump the regression database using the old pg_dump
	o  load it into an empty database in the old cluster
	o  dump using new pg_dump
	o  load that into a new database in the old cluster
	o  upgrade the cluster
	o  dump the new database using the new pg_dump
	o  compare against the dump you loaded into the old cluster

It is necessary to dump/load the regression database because
there are slight changes when loading/unloading that need to be removed
before testing for any pg_migrator changes.

Relase Checklist
----------------
Update README and src/pg_migrator.h
Update CHANGES
CVS commit
Tag CVS: cvs tag REL8_4
Checkout CVS
rename directory to pattern: pg_migrator-8.4-beta1
make a tarball with identical naming and upload:

	http://pgfoundry.org/frs/admin/?group_id=1000235

Send email to pg-migrator-news@pgfoundry.org announcing the release, and
include a link to the download page.

Major Release Data Format Changes
---------------------------------

These are the possible changes from major release to major release:

Change					Conversion Method
------------------------------------------------------------------------------
clog					none
heap page header, including bitmask	convert to new page format on read
tuple header, including bitmask		convert to new page format on read
data value format			create old data type in new cluster
index page format			reindex, or recreate old index methods
TOAST page format			convert to new page format on read

