Update dependencies

Author: johanstokking

Gemfile.lock

@@ -13,7 +13,7 @@ GEM
     concurrent-ruby (1.0.5)
     ethon (0.11.0)
       ffi (>= 1.3.0)
-    ffi (1.9.18)
+    ffi (1.9.23)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
     html-pipeline (2.7.1)
@@ -28,7 +28,7 @@ GEM
       parallel (~> 1.3)
       typhoeus (~> 1.3)
       yell (~> 2.0)
-    i18n (0.9.1)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jekyll (3.4.5)
       addressable (~> 2.4)
@@ -43,13 +43,13 @@ GEM
       safe_yaml (~> 1.0)
     jekyll-redirect-from (0.13.0)
       jekyll (~> 3.3)
-    jekyll-sass-converter (1.5.1)
+    jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
     jekyll-seo-tag (2.4.0)
       jekyll (~> 3.3)
-    jekyll-sitemap (1.1.1)
+    jekyll-sitemap (1.2.0)
       jekyll (~> 3.3)
-    jekyll-titles-from-headings (0.5.0)
+    jekyll-titles-from-headings (0.5.1)
       jekyll (~> 3.3)
     jekyll-watch (1.5.1)
       listen (~> 3.0)
@@ -66,31 +66,31 @@ GEM
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
     mini_portile2 (2.3.0)
-    minitest (5.11.1)
-    nokogiri (1.8.1)
+    minitest (5.11.3)
+    nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     parallel (1.12.1)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.1)
+    public_suffix (3.0.2)
     rake (10.5.0)
     rake-jekyll (1.1.0)
       rake (~> 10.0)
-    rb-fsevent (0.10.2)
+    rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rouge (1.11.1)
     ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.5.5)
+    sass (3.5.6)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     thread_safe (0.3.6)
     typhoeus (1.3.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     yell (2.0.7)