Upgrade newrelic_rpm from 3.14.1.311 to 3.16.0.318.

Bug fixes and compatibility with Rails 5.

Changelog: https://github.com/newrelic/rpm/blob/master/CHANGELOG

Gemfile

@@ -326,7 +326,7 @@ group :production do
   gem 'gitlab_meta', '7.0'
 end
 
-gem 'newrelic_rpm', '~> 3.14'
+gem 'newrelic_rpm', '~> 3.16'
 
 gem 'octokit', '~> 4.3.0'
 

Gemfile.lock

@@ -404,7 +404,7 @@ GEM
     nested_form (0.3.2)
     net-ldap (0.12.1)
     net-ssh (3.0.1)
-    newrelic_rpm (3.14.1.311)
+    newrelic_rpm (3.16.0.318)
     nokogiri (1.6.8)
       mini_portile2 (~> 2.1.0)
       pkg-config (~> 1.1.7)
@@ -902,7 +902,7 @@ DEPENDENCIES
   mysql2 (~> 0.3.16)
   nested_form (~> 0.3.2)
   net-ssh (~> 3.0.1)
-  newrelic_rpm (~> 3.14)
+  newrelic_rpm (~> 3.16)
   nokogiri (~> 1.6.7, >= 1.6.7.2)
   oauth2 (~> 1.2.0)
   octokit (~> 4.3.0)