Suppressing error message when CLTools not installed

On Mavericks you can install full Xcode and Boxen, but then you get this line every time you run `boxen` on the command-line:

    No receipt for 'com.apple.pkg.CLTools_Executables' found at '/'.

This minor bugfix suppresses the message.
update Ruby and Puppet Deps
Merge pull request #613 from boxen/update-deps-06-03-2014

Update Ruby and Puppet Deps
Merge pull request #607 from walling/master

Suppressing error message when CLTools not installed
Revert "Merge pull request #607 from walling/master"

This reverts commit 1aea2e02c1a8d641bc7f7c6e58d7faaf13cb1696, reversing
changes made to db3d1de5f8ab587fcbad6813edfb7ce52d21ad96.
update puppet-ruby
Merge pull request #615 from boxen/update-ruby

Update puppet-ruby
Fix for git credentials containing an '=' sign

Thanks @dbussink
Merge pull request #628 from boxen/args-may-contain-equals

Fix for git credentials containing an '=' sign
updated to latest dependencies
update ruby stuff
Merge pull request #633 from boxen/update-deps

Update Puppet and Ruby dependencies
Upgrade gcc package to 2.1.1

Fixes #637
Start migrating to project manifests
Merge remote-tracking branch 'boxen/master'

Conflicts:
	Gemfile.lock
	Puppetfile.lock
	vendor/cache/nokogiri-1.6.2.1.gem
Add dnscrypt-proxy
Continue migrating to projects