Update gems to latest versions

website/Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: git://github.com/hashicorp/middleman-hashicorp.git
-  revision: dd7197276a8b9d86f3c06954a49747cd75b7e29a
+  revision: dc9f2d6b986842622796a569bf9358f6f3e3f634
   specs:
     middleman-hashicorp (0.1.0)
       bootstrap-sass (~> 3.2)
@@ -113,11 +113,11 @@ GEM
       rouge (~> 1.0)
     minitest (5.4.2)
     multi_json (1.10.1)
-    padrino-helpers (0.12.3)
+    padrino-helpers (0.12.4)
       i18n (~> 0.6, >= 0.6.7)
-      padrino-support (= 0.12.3)
+      padrino-support (= 0.12.4)
       tilt (~> 1.4.1)
-    padrino-support (0.12.3)
+    padrino-support (0.12.4)
       activesupport (>= 3.1)
     rack (1.5.2)
     rack-contrib (1.1.0)