Pin gem versions for stable branch

This intends to pin all the major gems to the version they were during
development cycle.  This should isolate the existing tests from changes in
rspec, etc.

Change-Id: Iacf3a246adf1fc3ca1b5e42f0e0711cbfb1e1c9c

Author: claytono

Gemfile

@@ -1,9 +1,13 @@
 source 'https://rubygems.org'
 
 group :development, :test do
-  gem 'puppetlabs_spec_helper', :require => false
+  gem 'puppetlabs_spec_helper', '~> 0.4.1', :require => false
+  gem 'rspec', '~> 2.14.0'
+  gem 'mocha', '~> 0.10.5'
+  gem 'rspec-puppet', '~> 1.0.1'
   gem 'puppet-lint', '~> 0.3.2'
   gem 'rake', '10.1.1'
+  gem 'webmock', '~> 1.18.0'
 end
 
 if puppetversion = ENV['PUPPET_GEM_VERSION']