Update gems

Gemfile.lock

@@ -94,7 +94,7 @@ GEM
     database_cleaner (1.0.1)
     debug_inspector (0.0.2)
     detect_language (1.0.3)
-    devise (3.0.0)
+    devise (3.0.1)
       bcrypt-ruby (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 3.2.6, < 5)
@@ -213,8 +213,8 @@ GEM
     mini_magick (3.6.0)
       subexec (~> 0.2.1)
     mini_portile (0.5.1)
-    multi_json (1.7.7)
-    multi_xml (0.5.4)
+    multi_json (1.7.8)
+    multi_xml (0.5.5)
     nested_form (0.3.2)
     net-scp (1.1.2)
       net-ssh (>= 2.6.5)
@@ -342,7 +342,7 @@ GEM
     ruby-progressbar (1.1.1)
     ruby_parser (3.2.2)
       sexp_processor (~> 4.1)
-    safe_yaml (0.9.4)
+    safe_yaml (0.9.5)
     sass (3.2.10)
     sass-rails (3.2.6)
       railties (~> 3.2.0)