Gemfile.lock updated for Paperclip 3.4.1

* since Gemfile.lock is checked in, seems like it wants to be updated following the 3.4.1 release?

Gemfile.lock

 PATH
 PATH
   remote: .
   remote: .
   specs:
   specs:
-    paperclip (3.4.0)
+    paperclip (3.4.1)
       activemodel (>= 3.0.0)
       activemodel (>= 3.0.0)
       activerecord (>= 3.0.0)
       activerecord (>= 3.0.0)
       activesupport (>= 3.0.0)
       activesupport (>= 3.0.0)