remove kernel-source rpm after guest additions built
fix check for success of vbox guest additions installation
strip some nice-to-have packages to reduce footprint

Of course emacs is totally awesome, but we really want this
to be as small as possible :-(  It can always be installed
later.  Similarly with other packages.
patch crmsh to fix bnc#877484

https://bugzilla.novell.com/show_bug.cgi?id=877484
avoid use of /dev/disk/by-id in VirtualBox
switch to single mode
Fix drbd-race.patch
Don't use e1000 NICs

The default e1000 cards/drivers create problems when using VLANs.
(http://humbledown.org/virtualbox-intel-vlan-tag-stripping.xhtml)
Allocate a public IP on the admin node
add crm-wait-sync.patch
Use AMD nics for all networks

- The mixed setup had some sporadic issues with DHCP on the e1000
  cards (non-reproducable)
- Also move the nic modifications to a saner place in the Vagrantfile