Update Gemfile with ruby-prof for dev group.

Author: metaskills

Gemfile

@@ -7,10 +7,11 @@ gem 'arel', :path => ENV['AREL'] if ENV['AREL']
 
 group :development do
   gem 'rake', '>= 0.8.7'
-  gem 'mocha', '>= 0.9.8'
-  gem 'shoulda', '>= 2.10.3'
+  gem 'mocha', '0.9.8'
+  gem 'shoulda', '2.10.3'
   platforms :mri_18 do
-    gem "ruby-debug", ">= 0.10.3"
+    gem 'ruby-prof', '0.9.1'
+    gem 'ruby-debug', '0.10.3'
   end
 end