Revert "disable newrelic"

This reverts commit 48cc0d366a.

lib/travis/api/app/base.rb

@@ -1,6 +1,6 @@
 require 'travis/api/app'
 require 'sinatra/base'
-#require 'new_relic/agent/instrumentation/rack'
+require 'new_relic/agent/instrumentation/rack'
 
 class Travis::Api::App
   # Superclass for any endpoint and middleware.
@@ -9,7 +9,7 @@ class Travis::Api::App
     register Extensions::SmartConstants
 
     configure :production do
-      #require 'newrelic_rpm'
+      require 'newrelic_rpm'
     end
 
     error NotImplementedError do
@@ -18,6 +18,12 @@ class Travis::Api::App
       "This feature has not yet been implemented. Sorry :(\n\nPull Requests welcome!"
     end
 
+    def call(env)
+      super
+    rescue Sinatra::NotFound
+      [404, {'Content-Type' => 'text/plain'}, ['Tell Konstantin to fix this!']]
+    end
+
     configure do
       # We pull in certain protection middleware in App.
       # Being token based makes us invulnerable to common