Update active* and other gems

Gemfile.lock

@@ -1,16 +1,16 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (3.2.13)
-      activesupport (= 3.2.13)
+    activemodel (3.2.14)
+      activesupport (= 3.2.14)
       builder (~> 3.0.0)
-    activerecord (3.2.13)
-      activemodel (= 3.2.13)
-      activesupport (= 3.2.13)
+    activerecord (3.2.14)
+      activemodel (= 3.2.14)
+      activesupport (= 3.2.14)
       arel (~> 3.0.2)
       tzinfo (~> 0.3.29)
-    activesupport (3.2.13)
-      i18n (= 0.6.1)
+    activesupport (3.2.14)
+      i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
     arel (3.0.2)
     builder (3.0.4)
@@ -28,12 +28,13 @@ GEM
     msgpack (0.5.5)
     multi_json (1.0.4)
     network_interface (0.0.1)
-    nokogiri (1.5.9)
+    nokogiri (1.6.0)
+      mini_portile (~> 0.5.0)
     packetfu (1.1.8)
     pcaprub (0.11.3)
-    pg (0.15.1)
-    rake (10.0.4)
-    redcarpet (2.2.2)
+    pg (0.16.0)
+    rake (10.1.0)
+    redcarpet (3.0.0)
     robots (0.10.1)
     rspec (2.14.1)
       rspec-core (~> 2.14.0)
@@ -51,7 +52,7 @@ GEM
     simplecov-html (0.5.3)
     timecop (0.6.3)
     tzinfo (0.3.37)
-    yard (0.8.5.2)
+    yard (0.8.7)
 
 PLATFORMS
   ruby