updated ffi and jekyll

Gemfile.lock

@@ -4,9 +4,9 @@ GEM
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     colorator (1.1.0)
-    ffi (1.9.18)
+    ffi (1.9.25)
     forwardable-extended (2.6.0)
-    jekyll (3.6.0)
+    jekyll (3.6.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
@@ -21,25 +21,27 @@ GEM
       jekyll (~> 3.3)
     jekyll-menus (0.6.0)
       jekyll (~> 3.1)
-    jekyll-sass-converter (1.5.0)
+    jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
-    jekyll-watch (1.5.0)
-      listen (~> 3.0, < 3.1)
-    kramdown (1.15.0)
-    liquid (4.0.0)
-    listen (3.0.8)
+    jekyll-watch (1.5.1)
+      listen (~> 3.0)
+    kramdown (1.17.0)
+    liquid (4.0.1)
+    listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
+      ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    pathutil (0.14.0)
+    pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.0)
-    rb-fsevent (0.10.2)
+    public_suffix (3.0.3)
+    rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rouge (2.2.1)
+    ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.5.1)
+    sass (3.6.0)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -55,4 +57,4 @@ DEPENDENCIES
   tzinfo-data
 
 BUNDLED WITH
-   1.15.4
+   1.16.2