bump nokogiri

Gemfile

@@ -126,7 +126,7 @@ gem "messagebus_ruby_api", "1.0.3"
 
 # Parsing
 
-gem "nokogiri",          "1.6.6.2"
+gem "nokogiri",          "1.6.6.4"
 gem "redcarpet",         "3.3.3"
 gem "twitter-text",      "1.13.0"
 gem "roxml",             "3.1.6"

Gemfile.lock

@@ -450,7 +450,7 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (3.0.1)
     nio4r (1.1.1)
-    nokogiri (1.6.6.2)
+    nokogiri (1.6.6.4)
       mini_portile (~> 0.6.0)
     notiffany (0.0.8)
       nenv (~> 0.1)
@@ -813,7 +813,7 @@ DEPENDENCIES
   minitest
   mobile-fu (= 1.3.1)
   mysql2 (= 0.3.20)
-  nokogiri (= 1.6.6.2)
+  nokogiri (= 1.6.6.4)
   omniauth (= 1.2.2)
   omniauth-facebook (= 2.0.1)
   omniauth-tumblr (= 1.1)