4.1-ESV, extended support release.
- We need to be able to upgrade from 4.1.1 so I called it 4.1.2-ESV,
because it's actually 4.1.2 with small number of bug fixes.
- No longer need: invalid-dhclient-conf.patch, release6-elapsed.patch,
parse_date.patch, CVE-2010-3611.patch