Update jekyll to 3.8.4

security bug in ffi v1.9.23 (CVE-2018-1000201); update ffi to 1.9.25 by jekyll update

Gemfile

@@ -8,7 +8,7 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "~> 3.8.1"
+gem "jekyll", "~> 3.8.4"
 
 
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and

Gemfile.lock

@@ -8,13 +8,13 @@ GEM
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    eventmachine (1.2.6)
-    ffi (1.9.23)
+    eventmachine (1.2.7)
+    ffi (1.9.25)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.8.1)
+    jekyll (3.8.4)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -33,7 +33,7 @@ GEM
       sass (~> 3.4)
     jekyll-watch (2.0.0)
       listen (~> 3.0)
-    kramdown (1.16.2)
+    kramdown (1.17.0)
     liquid (4.0.0)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -42,14 +42,14 @@ GEM
     mercenary (0.3.6)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.2)
+    public_suffix (3.0.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    rouge (3.1.1)
+    rouge (3.2.1)
     ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.5.6)
+    sass (3.6.0)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -59,9 +59,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  jekyll (~> 3.8.1)
+  jekyll (~> 3.8.4)
   jekyll-feed (~> 0.6)
   tzinfo-data
 
 BUNDLED WITH
-   1.16.1
+   1.16.2