Removed active_record dependancy, which was unused, to it can be used…

… on non-active_record projects.

backbone-on-rails.gemspec

@@ -16,7 +16,12 @@ Gem::Specification.new do |s|
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test}/*`.split("\n")
 
-  s.add_dependency 'rails', '>= 3.1'
+	# s.add_dependency 'rails', '>= 3.1'
+	# gem 'rails' # we don't want to load activerecord so we can't require rails
+	s.add_dependency 'railties'
+	s.add_dependency 'actionpack'
+	s.add_dependency 'actionmailer'
+	s.add_dependency 'activemodel'
   s.add_dependency 'jquery-rails'
   s.add_dependency 'ejs'
   s.add_dependency 'eco'