do a bundle install before gem install, otherwise the gem
  install may install versions of gems that do not match the
  bundle and we want to preserve exactly the bundle contents
fix paths to use the omnibus stuff that we've installed
missing libgcc dep
Merge pull request #61 from opscode/lcg/bundle-install-b4-gem-install

do a bundle install before gem install, otherwise the gem
require modern gmake instead of removing parallellism
prefer gmake for openssl
Merge pull request #62 from opscode/lcg/openssl-make-j

Lcg/openssl make j
reference to removed build_jobs variable
Merge pull request #64 from opscode/lcg/build_jobs_fix

reference to removed build_jobs variable