Merge pull request #10 from mihalis68/master

clean up gem install test
Fix up issue with cobbler recipe on first run as root_password isn't set
correctly.
README: make the arguments a little easier to cut-and-paste.
Fix issue for vagrant -v bailing with "fileutils.rb:247:in `mkdir': File exists - chef-bcpc/.vagrant (Errno::EEXIST)"
Add in minimally tested VirtualBox and Vagrant versions
Merge pull request #11 from mihalis68/master

documentation fix for VM bootstrap, role assignment
Merge pull request #12 from mihalis68/master

use sudo instead of requiring root before the user knows how to get that
Merge pull request #13 from mihalis68/master

Clarify where to run commands. Mention how to fix cookie error
Merge pull request #14 from mihalis68/master

clarify why we have to register bcpc-vm machines
Merge pull request #15 from mihalis68/master

fix ip address for bcpc-vm3 for bootstrap command. Also expain how long this stage takes
stop vbox complaining about trying to remove non-existent host interfaces and dhcp server