enable autolibs in ruby install [fixes rails#23]

Author: fxn

puppet/manifests/default.pp

@@ -106,11 +106,6 @@
   ensure => installed
 }
 
-# Required for Ruby binary install
-package { 'libyaml-dev':
-  ensure => installed
-}
-
 # Nokogiri dependencies.
 package { ['libxml2', 'libxml2-dev', 'libxslt1-dev']:
   ensure => installed
@@ -135,9 +130,9 @@
   # The rvm executable is more suitable for automated installs.
   #
   # Thanks to @mpapis for this tip.
-  command => "${as_vagrant} '${home}/.rvm/bin/rvm install 1.9.3 --latest-binary && rvm --fuzzy alias create default 1.9.3'",
+  command => "${as_vagrant} '${home}/.rvm/bin/rvm install 1.9.3 --latest-binary --autolibs=enabled && rvm --fuzzy alias create default 1.9.3'",
   creates => "${home}/.rvm/bin/ruby",
-  require => [ Package['libyaml-dev'], Exec['install_rvm'] ]
+  require => Exec['install_rvm']
 }
 
 exec { "${as_vagrant} 'gem install bundler --no-rdoc --no-ri'":