remove extra stuff that I don't think we need because we are the source.
Also unconditionally call zmupdate.pl since it should do all the checking of versions to see if anything needs doing.
We don't need to be doing that work in a postinst bash script.
bump version # for snapshot
fix assigning DB_TYPE
Merge branch 'postinstcleanup' into iconnor

Conflicts:
	distros/ubuntu1204/changelog
	distros/ubuntu1204/postinst
Merge branch 'master' into iconnor