Merge pull request #951 from kulshekhar/kulshekhar-patch-1

Fix nokogiri version to address CVE-2018-14404

Author: kulshekhar

docs/Gemfile.lock

@@ -74,7 +74,7 @@ GEM
       listen (= 3.1.5)
       mercenary (~> 0.3)
       minima (= 2.5.0)
-      nokogiri (>= 1.8.2, < 2.0)
+      nokogiri (>= 1.8.5, < 2.0)
       rouge (= 2.2.1)
       terminal-table (~> 1.4)
     github-pages-health-check (1.8.1)
@@ -85,7 +85,7 @@ GEM
       typhoeus (~> 1.3)
     html-pipeline (2.8.4)
       activesupport (>= 2)
-      nokogiri (>= 1.4)
+      nokogiri (>= 1.8.5)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
@@ -214,7 +214,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.11.3)
     multipart-post (2.0.0)
-    nokogiri (1.8.4)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     octokit (4.11.0)
       sawyer (~> 0.8.0, >= 0.5.3)