Upgrade & fix NRPE

 - bump to 2.14
 - use generic sourceforge download URL
 - fix patch to use preprocessor directive
 - don't include libwrap on osx (it's included in the OS, and compilation fails)
 - delete unneeded sudo (?)
Merge branch 'opscode' into fix/nrpe

Conflicts:
	config/software/nrpe.rb
Bring back conditional libwrap
Bump Redis
Merge branch 'opscode'
Merge branch 'feature/bump-redis'
bundle install in the build, so we don't use bundle in the tests
Berkshelf 2.0.7
Merge branch 'bump/berkshelf'
Merge branch 'bump/bundler'
rubygems 2.0.3
Nokogiri 1.6.0
Merge branch 'bump/nokogiri'
chef-gem 11.4.4
Merge branch 'bump/chef-gem'
exclude server gems for chef-10 builds
adding docgen
Merge pull request #58 from opscode/lcg/unbundle-rspec-tests

bundle install in the build, so we don't use bundle in the tests
set Omnibus cache build path for `pip install` commands

By default pip uses "<OS temp dir>/pip-build-<username>", which can 
cause failures on long-lived build slaves.
Merge branch 'pip-install-build-dir'