Fix statsd null backend not being initialized properly

Gemfile.lock

@@ -76,8 +76,7 @@ GEM
     bullet (5.3.0)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.10.0)
-    climate_control (0.0.3)
-      activesupport (>= 3.0)
+    climate_control (0.1.0)
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
     coderay (1.1.1)
@@ -89,7 +88,7 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     colorize (0.8.1)
-    concurrent-ruby (1.0.3)
+    concurrent-ruby (1.0.4)
     connection_pool (2.2.1)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -437,7 +436,7 @@ DEPENDENCIES
   nokogiri
   oj
   ostatus2
-  paperclip (~> 5.0)
+  paperclip (~> 5.1)
   paperclip-av-transcoder
   pg
   pg_search