bump rack-piwik

Gemfile

@@ -149,7 +149,7 @@ group :production do # we don't install these on travis to speed up test runs
   # Analytics
 
   gem 'rack-google-analytics', '0.14.0', :require => 'rack/google-analytics'
-  gem 'rack-piwik',            '0.2.2',  :require => 'rack/piwik'
+  gem 'rack-piwik',            '0.3.0',  :require => 'rack/piwik'
 
   # Click-jacking protection
 

Gemfile.lock

@@ -319,7 +319,7 @@ GEM
       activesupport
     rack-mobile-detect (0.4.0)
       rack
-    rack-piwik (0.2.2)
+    rack-piwik (0.3.0)
     rack-pjax (0.7.0)
       nokogiri (~> 1.5)
       rack (~> 1.3)
@@ -540,7 +540,7 @@ DEPENDENCIES
   opengraph_parser (= 0.2.3)
   rack-cors (= 0.2.9)
   rack-google-analytics (= 0.14.0)
-  rack-piwik (= 0.2.2)
+  rack-piwik (= 0.3.0)
   rack-protection (= 1.2)
   rack-rewrite (= 1.5.0)
   rack-ssl (= 1.4.1)