Upgrade Nokogiri to fix a disclosed vulnerability in libxml2

Changelog.md

@@ -13,6 +13,7 @@
 * Fix the mobile bookmarklet when called without parameters [#7698](https://github.com/diaspora/diaspora/pull/7698)
 * Properly build the #newhere message for people who got invited [#7702](https://github.com/diaspora/diaspora/pull/7702)
 * Fix the admin report view for posts without text [#7706](https://github.com/diaspora/diaspora/pull/7706)
+* Upgrade Nokogiri to fix [a disclosed vulnerability in libxml2](https://github.com/sparklemotion/nokogiri/issues/1714)
 
 ## Features
 * Check if redis is running in script/server [#7685](https://github.com/diaspora/diaspora/pull/7685)

Gemfile

@@ -137,7 +137,7 @@ gem "leaflet-rails",       "1.2.0"
 
 # Parsing
 
-gem "nokogiri",          "1.8.1"
+gem "nokogiri",          "1.8.2"
 gem "open_graph_reader", "0.6.2" # also update User-Agent in features/support/webmock.rb
 gem "redcarpet",         "3.4.0"
 gem "ruby-oembed",       "0.12.0"

Gemfile.lock

@@ -389,7 +389,7 @@ GEM
     naught (1.1.0)
     nenv (0.3.0)
     nio4r (2.1.0)
-    nokogiri (1.8.1)
+    nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
@@ -820,7 +820,7 @@ DEPENDENCIES
   minitest
   mobile-fu (= 1.4.0)
   mysql2 (= 0.4.9)
-  nokogiri (= 1.8.1)
+  nokogiri (= 1.8.2)
   omniauth (= 1.6.1)
   omniauth-facebook (= 4.0.0)
   omniauth-tumblr (= 1.2)