Merge pull request #375 from matestack/sf/fix-view-context-method-missing

HasViewContext: Check in advance whether the view context would responnd to a missing method.

Author: jonasjabari

app/lib/matestack/ui/core/has_view_context.rb

@@ -5,6 +5,10 @@ def initialize(model = nil, options = {})
   end
 
   def method_missing(*args, &block)
-    @view_context.send(*args, &block)
+    if @view_context.respond_to? args.first
+      @view_context.send(*args, &block)
+    else
+      super
+    end
   end
 end