Install CLTools on 10.10 like we did on 10.9
Allow 10.10 installs
Can't interpolate in single-quotes, duh.

No need to be too specific anyway, let's just be lazy
Automatically install Command Line Tools

Need to credit timsutton/osx-vm-templates
Fix awk regex
Clean up the output around commandline tools
Auto-merged master into yosemite on deployment
Merge pull request #64 from boxen/yosemite

Yosemite support for CLTools