Update rspec and friends.

Required for naming of the subject

Gemfile.lock

@@ -17,7 +17,7 @@ GEM
     addressable (2.2.6)
     crack (0.3.1)
     curb (0.8.3)
-    diff-lcs (1.1.3)
+    diff-lcs (1.2.1)
     hashie (2.0.3)
     i18n (0.6.1)
     json (1.6.1)
@@ -29,14 +29,14 @@ GEM
     rake (0.9.2)
     rdoc (3.10)
       json (~> 1.4)
-    rspec (2.7.0)
-      rspec-core (~> 2.7.0)
-      rspec-expectations (~> 2.7.0)
-      rspec-mocks (~> 2.7.0)
-    rspec-core (2.7.0)
-    rspec-expectations (2.7.0)
-      diff-lcs (~> 1.1.2)
-    rspec-mocks (2.7.0)
+    rspec (2.13.0)
+      rspec-core (~> 2.13.0)
+      rspec-expectations (~> 2.13.0)
+      rspec-mocks (~> 2.13.0)
+    rspec-core (2.13.1)
+    rspec-expectations (2.13.0)
+      diff-lcs (>= 1.1.3, < 2.0)
+    rspec-mocks (2.13.0)
     simplecov (0.5.4)
       multi_json (~> 1.0.3)
       simplecov-html (~> 0.5.3)