Bundle update

Gemfile.lock

 GIT
   remote: git://github.com/activeadmin/activeadmin.git
-  revision: dbbcde7800e93a0924101a24d3ae6fa10180032a
+  revision: c26ae0b1393311180b5137c6b4a271de3385d069
   specs:
     activeadmin (1.0.0.pre)
       arbre (~> 1.0, >= 1.0.2)
@@ -150,7 +150,7 @@ GEM
       actionpack (>= 3.2.13)
     formtastic_i18n (0.1.1)
     geocoder (1.2.5)
-    guard (2.7.0)
+    guard (2.7.1)
       formatador (>= 0.2.4)
       listen (~> 2.7)
       lumberjack (~> 1.0)
@@ -296,7 +296,7 @@ GEM
       sexp_processor (~> 4.0)
     ruby_parser (3.5.0)
       sexp_processor (~> 4.1)
-    sass (3.4.6)
+    sass (3.4.7)
     sass-rails (5.0.0.beta1)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.2)
@@ -366,7 +366,7 @@ GEM
     warden (1.2.3)
       rack (>= 1.0)
     webrick (1.3.1)
-    webshims-rails (1.15.3)
+    webshims-rails (1.15.4)
       rails (> 3.1.0)
 
 PLATFORMS