Merge pull request #17 from mikedep333/master

Ubuntu 14.04 host compatibility updates (Fixed)
Merge pull request #18 from mikedep333/master

Include latest security & bugfix patches by switching to the cloud-images.ubuntu.com boxes
Merge pull request #19 from mikedep333/master

Free up space on the cloud-images.ubuntu.com boxes by removing the kernel 3.2 headers (only kernel 3.8 is actually installed.)
Merge pull request #20 from mikedep333/master

Update README.md about our switch to cloud-images.ubuntu.com boxes
Merge pull request #23 from mikedep333/master

Fix #22 - Changing MAC address breaks networking
Merge pull request #24 from mikedep333/master

Specify license as Apache 2.0
Merge pull request #25 from mikedep333/master

Switch to Perlbrew and Perl 5.16.3
Merge pull request #29 from mikedep333/master

limit ourselves to an old version of Ridley in order to fix #28