Use application 4.0+

mbertolacci · mbertolacci · commit aa637e907bec · 2015-02-10T11:04:46.000+11:00
diff --git a/metadata.rb b/metadata.rb
@@ -10,4 +10,4 @@
   depends cb
 end
 
-depends "application", "~> 3.0"
+depends "application", "~> 4.0"
