Bundle update

Gemfile.lock

 GIT
   remote: git://github.com/gregbell/active_admin.git
-  revision: ac85139e308d26cc5706e0f431ea07553fff45d5
+  revision: b8e89c74788199d383963267f4735dccbf292f20
   specs:
     activeadmin (1.0.0.pre)
       arbre (~> 1.0)
@@ -92,7 +92,7 @@ GEM
       sass (~> 3.2.19)
     compass-rails (2.0.0)
       compass (>= 0.12.2)
-    devise (3.2.4)
+    devise (3.3.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 3.2.6, < 5)
@@ -113,7 +113,7 @@ GEM
     font-awesome-rails (4.1.0.0)
       railties (>= 3.2, < 5.0)
     formatador (0.2.5)
-    formtastic (2.3.0.rc3)
+    formtastic (2.3.0.rc4)
       actionpack (>= 3.0)
     fssm (0.2.10)
     guard (2.6.1)
@@ -240,9 +240,8 @@ GEM
     ref (1.0.5)
     responders (1.0.0)
       railties (>= 3.2, < 5)
-    rubocop (0.24.1)
-      json (>= 1.7.7, < 2)
-      parser (>= 2.2.0.pre.3, < 3.0)
+    rubocop (0.25.0)
+      parser (>= 2.2.0.pre.4, < 3.0)
       powerpack (~> 0.0.6)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.4)
@@ -258,10 +257,10 @@ GEM
       sass (~> 3.2.0)
       sprockets (~> 2.8, <= 2.11.0)
       sprockets-rails (~> 2.0)
-    sdoc (0.4.0)
-      json (~> 1.8)
-      rdoc (~> 4.0, < 5.0)
-    sexp_processor (4.4.3)
+    sdoc (0.4.1)
+      json (~> 1.7, >= 1.7.7)
+      rdoc (~> 4.0)
+    sexp_processor (4.4.4)
     simple_calendar (1.1.5)
       rails (>= 3.0)
     slim (2.0.3)