Update koan/virtinstall.py

'driver_type' replace with 'format'. makes it better work with image formats. with this replacement qcow2 works fine. 'driver_type' is an atavism in virt-install
Merge pull request #401 from jonaz/master

Fix esxi vlan network config snippet
Add --wait and --noreboot functionality for virt-install to koan.
Merge branch 'master' of git://github.com/cobbler/cobbler
Volume groups can have hyphens too.

If a VG has a hyphen in the name, partition_location will not have the
correct path. Must escape hyphens there too.
Merge pull request #402 from idleyoungman/master

Escape hyphens in volume group names too.
Changing cli tests to use the cobbler user instead of vagrant
Merge branch 'master' of git://github.com/cobbler/cobbler
Added check for wget/curl installation.
As noted in issue #396 / https://bugzilla.redhat.com/show_bug.cgi?id=895995
Merge pull request #403 from jimi1283/master

Added check for wget/curl installation.
Merge pull request #393 from temujinZ/patch-2

Update koan/virtinstall.py
Changed F18 test to official release
Merge pull request #406 from jimi1283/master

Changed F18 test to the official release
(issue#407) Enable authn_passthrough for Cobbler Web

There is currently no support for kerberos single sign-on in cobbler web.
This patch allows apache or another web server to set the REMOTE_USER variable which
will be used as the authenticated user for cobbler API authorization calls
Merge pull request #408 from jjulien/issue407

(issue#407) Enable authn_passthrough for Cobbler Web
Fixed issue with MAC address verification

- Removed errant ':' systems from the last two octet matches
- Added checks that the string does not start or end with extra characters
Merge pull request #409 from ahamilton55/fix_mac_address_verification

Fixed issue with MAC address verification
Fixing a few goofs from ac5de466
Merge branch 'master' of git://github.com/cobbler/cobbler
Refactor function cobbler.utils.is_mac

Use a precompiled and faster regular expression and add more tests.
timeit with 64M iterations: 48.32 versus 42.38 seconds.