initial AT&T version

uses full ISO install instead of mini netinstall.  Uses simple configuration less flexibility yet
customized to AT&T specific design.
added support for git download of berks enabled git chef-repo
refactor and add custom scripts support
add bit note to README explaining the log first reboot
fix git clone when using ssh-agent-forward
missing step

We must first create the bundle before we can run berks.

Was getting errors before:
/tmp/stackjump/DOWNLOADS/chef-repo_download already exists - skipping git clone

bundler: command not found: berks
Install missing gem executables with `bundle install`
Merge pull request #3 from alop/working

missing step
remove -gc option.  git clone from shell script is too error prone.
merged from master
add missing pkgs needed for bondng && vlan, and couple other fixes
Removed support for i386/i686

Chef-server isn't available for that arch, so no point in having that stackjump opt
Removed support for i386/i686

Chef-server isn't available for that arch, so no point in having that stackjump opt
added post-boot networking cookbook execution
Merge branch 'temp1' into ATT

Conflicts:
	README.md
auto download chef_handler cookbook, needed for reboot-handler
allow bonding to work in vm env
forgot BOND0MODE, added BOND1 vars
chef-repo to use berkshelf ".cookbooks" dir