merge from master (post-CSRF changes)

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diff --git a/vendor/gems/rspec-1.3.1/Ruby1.9.rdoc b/vendor/gems/rspec-1.3.1/Ruby1.9.rdoc
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+= RSpec and Ruby 1.9
+
+RSpec runs on Ruby 1.9.1 with the following caveats.
+
+== Test::Unit
+
+RSpec/Test::Unit interop will run with the test-unit-1.2.3 gem, but you must install it.
+
+== Class Variables
+
+Due to changes in scoping rules, class variables within example groups are not
+supported in Ruby 1.9.
+
+    describe "a class variable" do
+      @@class_variable = "a class variable"
+  
+      it "can access class variables in examples in Ruby 1.8" do
+        with_ruby 1.8 do
+          @@class_variable.should == "a class variable"
+        end
+      end
+  
+      it "can NOT access class variables in examples in Ruby 1.9" do
+        with_ruby 1.9 do
+          lambda do
+            @@class_variable.should == "a class variable"
+          end.should raise_error(NameError)
+        end
+      end
+    end
+