bump version

Gemfile.lock

@@ -1,29 +1,31 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (3.0.10)
-      activesupport (= 3.0.10)
-      builder (~> 2.1.2)
-      i18n (~> 0.5.0)
-    activerecord (3.0.10)
-      activemodel (= 3.0.10)
-      activesupport (= 3.0.10)
-      arel (~> 2.0.10)
-      tzinfo (~> 0.3.23)
-    activesupport (3.0.10)
+    activemodel (3.1.1)
+      activesupport (= 3.1.1)
+      builder (~> 3.0.0)
+      i18n (~> 0.6)
+    activerecord (3.1.1)
+      activemodel (= 3.1.1)
+      activesupport (= 3.1.1)
+      arel (~> 2.2.1)
+      tzinfo (~> 0.3.29)
+    activesupport (3.1.1)
+      multi_json (~> 1.0)
     archive-tar-minitar (0.5.2)
-    arel (2.0.10)
-    bcrypt-ruby (3.0.0)
-    builder (2.1.2)
+    arel (2.2.1)
+    bcrypt-ruby (3.0.1)
+    builder (3.0.0)
     columnize (0.3.4)
     git (1.2.5)
-    i18n (0.5.0)
+    i18n (0.6.0)
     jeweler (1.6.4)
       bundler (~> 1.0)
       git (>= 1.2.5)
       rake
     linecache19 (0.5.12)
       ruby_core_source (>= 0.1.4)
+    multi_json (1.0.3)
     rake (0.9.2)
     ruby-debug-base19 (0.11.25)
       columnize (>= 0.3.1)
@@ -36,7 +38,7 @@ GEM
     ruby_core_source (0.1.5)
       archive-tar-minitar (>= 0.5.2)
     sqlite3 (1.3.4)
-    tzinfo (0.3.29)
+    tzinfo (0.3.30)
 
 PLATFORMS
   ruby