Merge branch 'winh-upgrade-nokogiri' into 'master'

Upgrade Nokogiri because of CVE-2017-9050

See merge request gitlab-org/gitlab-ce!14427

Gemfile

@@ -128,7 +128,7 @@ gem 'asciidoctor-plantuml', '0.0.7'
 gem 'rouge', '~> 2.0'
 gem 'truncato', '~> 0.7.9'
 gem 'bootstrap_form', '~> 2.7.0'
-gem 'nokogiri', '~> 1.8.0'
+gem 'nokogiri', '~> 1.8.1'
 
 # Diffs
 gem 'diffy', '~> 3.1.0'

Gemfile.lock

@@ -474,7 +474,7 @@ GEM
     method_source (0.8.2)
     mime-types (2.99.3)
     mimemagic (0.3.0)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.3.0)
     minitest (5.7.0)
     mmap2 (2.2.7)
     mousetrap-rails (1.4.6)
@@ -488,8 +488,8 @@ GEM
     net-ldap (0.16.0)
     net-ssh (4.1.0)
     netrc (0.11.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.8.1)
+      mini_portile2 (~> 2.3.0)
     numerizer (0.1.1)
     oauth (0.5.1)
     oauth2 (1.4.0)
@@ -1039,7 +1039,7 @@ DEPENDENCIES
   mysql2 (~> 0.4.5)
   net-ldap
   net-ssh (~> 4.1.0)
-  nokogiri (~> 1.8.0)
+  nokogiri (~> 1.8.1)
   oauth2 (~> 1.4)
   octokit (~> 4.6.2)
   oj (~> 2.17.4)