Merge pull request #175 from apenney/fix-1404

Improve this so it works on Ubuntu 14.04.

spec/spec_helper_acceptance.rb

@@ -1,17 +1,14 @@
 require 'beaker-rspec/spec_helper'
 require 'beaker-rspec/helpers/serverspec'
 
-hosts.each do |host|
-  if host['platform'] =~ /debian/
-    on host, 'echo \'export PATH=/var/lib/gems/1.8/bin/:${PATH}\' >> ~/.bashrc'
-  end
-  if host.is_pe?
+unless ENV['RS_PROVISION'] == 'no' or ENV['BEAKER_provision'] == 'no'
+  if hosts.first.is_pe?
     install_pe
   else
-    # Install Puppet
-    install_package host, 'rubygems'
-    on host, 'gem install puppet --no-ri --no-rdoc'
-    on host, "mkdir -p #{host['distmoduledir']}"
+    install_puppet
+  end
+  hosts.each do |host|
+    on hosts, "mkdir -p #{host['distmoduledir']}"
   end
 end