Adding constraint to chef (keep near the version we us in production)

Gemfile

@@ -1,10 +1,10 @@
 source 'https://rubygems.org'
 
 gem 'configliere'
-gem 'rspec',       ">= 2.8",   :require => false
+gem 'rspec',       '>= 2.8',   :require => false
 
 group :get_announces do
-  gem 'chef'
+  gem 'chef',      '~> 10.16.4'
 end
 
 group :gen_tests do
@@ -14,27 +14,27 @@ end
 
 group :run_test do
   gem 'cucumber'
-  gem 'cuken', :git => "git://github.com/infochimps-forks/cuken.git"
+  gem 'cuken', :git => 'git://github.com/infochimps-forks/cuken.git'
 end
 
 # --------------------------------------------------------------------------
 
 # Only gems that you want listed as development dependencies in the gemspec
 group :development do
-  gem 'bundler',     "~> 1.1"
+  gem 'bundler',     '~> 1.1'
   gem 'rake',                    :require => false
-  gem 'yard',        ">= 0.7",   :require => false
-  gem 'jeweler',     ">= 1.6",   :require => false
+  gem 'yard',        '>= 0.7',   :require => false
+  gem 'jeweler',     '>= 1.6',   :require => false
 end
 
 group :docs do
-  gem 'redcarpet',   ">= 2.1",   :platform => [:ruby]
+  gem 'redcarpet',   '>= 2.1',   :platform => [:ruby]
   gem 'kramdown',                :platform => [:jruby]
 end
 
 # Gems for testing and coverage
 group :test do
-  gem 'simplecov',   ">= 0.5",   :platform => [:ruby_19],   :require => false
+  gem 'simplecov',   '>= 0.5',   :platform => [:ruby_19],   :require => false
   gem 'json'
 end
 
@@ -43,13 +43,13 @@ group :support do
   gem 'pry'
   # gem 'perftools.rb',            :platform => [:mri]
   #
-  gem 'guard',       ">= 1.0",   :platform => [:ruby_19]
-  gem 'guard-rspec', ">= 0.6",   :platform => [:ruby_19]
+  gem 'guard',       '>= 1.0',   :platform => [:ruby_19]
+  gem 'guard-rspec', '>= 0.6',   :platform => [:ruby_19]
   gem 'guard-yard',              :platform => [:ruby_19]
   if RUBY_PLATFORM.include?('darwin')
-    gem 'rb-fsevent', ">= 0.9",  :platform => [:ruby_19]
+    gem 'rb-fsevent', '>= 0.9',  :platform => [:ruby_19]
   end
   if ENV['GORILLIB_YARD']
-    gem 'guard-livereload', ">= 1.0"
+    gem 'guard-livereload', '>= 1.0'
   end
 end