diff --git a/Gemfile.lock b/Gemfile.lock
index 704f5e5..11e1e03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,14 +1,13 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.7)
+    activesupport (4.2.8)
       i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.5.1)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -17,70 +16,70 @@ GEM
     ethon (0.10.1)
       ffi (>= 1.3.0)
     execjs (2.7.0)
-    faraday (0.12.0.1)
+    faraday (0.13.1)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.18)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    github-pages (133)
-      activesupport (= 4.2.7)
-      github-pages-health-check (= 1.3.3)
-      jekyll (= 3.4.3)
+    github-pages (157)
+      activesupport (= 4.2.8)
+      github-pages-health-check (= 1.3.5)
+      jekyll (= 3.5.2)
       jekyll-avatar (= 0.4.2)
       jekyll-coffeescript (= 1.0.1)
       jekyll-default-layout (= 0.1.4)
       jekyll-feed (= 0.9.2)
-      jekyll-gist (= 1.4.0)
-      jekyll-github-metadata (= 2.3.1)
+      jekyll-gist (= 1.4.1)
+      jekyll-github-metadata (= 2.9.1)
       jekyll-mentions (= 1.2.0)
-      jekyll-optional-front-matter (= 0.1.2)
+      jekyll-optional-front-matter (= 0.2.0)
       jekyll-paginate (= 1.1.0)
       jekyll-readme-index (= 0.1.0)
       jekyll-redirect-from (= 0.12.1)
-      jekyll-relative-links (= 0.4.0)
+      jekyll-relative-links (= 0.4.1)
       jekyll-sass-converter (= 1.5.0)
-      jekyll-seo-tag (= 2.1.0)
+      jekyll-seo-tag (= 2.3.0)
       jekyll-sitemap (= 1.0.0)
       jekyll-swiss (= 0.4.0)
-      jekyll-theme-architect (= 0.0.4)
-      jekyll-theme-cayman (= 0.0.4)
-      jekyll-theme-dinky (= 0.0.4)
-      jekyll-theme-hacker (= 0.0.4)
-      jekyll-theme-leap-day (= 0.0.4)
-      jekyll-theme-merlot (= 0.0.4)
-      jekyll-theme-midnight (= 0.0.4)
-      jekyll-theme-minimal (= 0.0.4)
-      jekyll-theme-modernist (= 0.0.4)
-      jekyll-theme-primer (= 0.1.8)
-      jekyll-theme-slate (= 0.0.4)
-      jekyll-theme-tactile (= 0.0.4)
-      jekyll-theme-time-machine (= 0.0.4)
-      jekyll-titles-from-headings (= 0.1.5)
+      jekyll-theme-architect (= 0.1.0)
+      jekyll-theme-cayman (= 0.1.0)
+      jekyll-theme-dinky (= 0.1.0)
+      jekyll-theme-hacker (= 0.1.0)
+      jekyll-theme-leap-day (= 0.1.0)
+      jekyll-theme-merlot (= 0.1.0)
+      jekyll-theme-midnight (= 0.1.0)
+      jekyll-theme-minimal (= 0.1.0)
+      jekyll-theme-modernist (= 0.1.0)
+      jekyll-theme-primer (= 0.5.2)
+      jekyll-theme-slate (= 0.1.0)
+      jekyll-theme-tactile (= 0.1.0)
+      jekyll-theme-time-machine (= 0.1.0)
+      jekyll-titles-from-headings (= 0.4.0)
       jemoji (= 0.8.0)
       kramdown (= 1.13.2)
-      liquid (= 3.0.6)
+      liquid (= 4.0.0)
       listen (= 3.0.6)
       mercenary (~> 0.3)
-      minima (= 2.0.0)
+      minima (= 2.1.1)
       rouge (= 1.11.1)
       terminal-table (~> 1.4)
-    github-pages-health-check (1.3.3)
+    github-pages-health-check (1.3.5)
       addressable (~> 2.3)
       net-dns (~> 0.8)
       octokit (~> 4.0)
       public_suffix (~> 2.0)
       typhoeus (~> 0.7)
-    html-pipeline (2.5.0)
+    html-pipeline (2.7.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    i18n (0.8.1)
-    jekyll (3.4.3)
+    i18n (0.8.6)
+    jekyll (3.5.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 1.1)
       kramdown (~> 1.3)
-      liquid (~> 3.0)
+      liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
       rouge (~> 1.7)
@@ -93,58 +92,72 @@ GEM
       jekyll (~> 3.0)
     jekyll-feed (0.9.2)
       jekyll (~> 3.3)
-    jekyll-gist (1.4.0)
+    jekyll-gist (1.4.1)
       octokit (~> 4.2)
-    jekyll-github-metadata (2.3.1)
+    jekyll-github-metadata (2.9.1)
       jekyll (~> 3.1)
       octokit (~> 4.0, != 4.4.0)
     jekyll-mentions (1.2.0)
       activesupport (~> 4.0)
       html-pipeline (~> 2.3)
       jekyll (~> 3.0)
-    jekyll-optional-front-matter (0.1.2)
+    jekyll-optional-front-matter (0.2.0)
       jekyll (~> 3.0)
     jekyll-paginate (1.1.0)
     jekyll-readme-index (0.1.0)
       jekyll (~> 3.0)
     jekyll-redirect-from (0.12.1)
       jekyll (~> 3.3)
-    jekyll-relative-links (0.4.0)
+    jekyll-relative-links (0.4.1)
       jekyll (~> 3.3)
     jekyll-sass-converter (1.5.0)
       sass (~> 3.4)
-    jekyll-seo-tag (2.1.0)
+    jekyll-seo-tag (2.3.0)
       jekyll (~> 3.3)
     jekyll-sitemap (1.0.0)
       jekyll (~> 3.3)
     jekyll-swiss (0.4.0)
-    jekyll-theme-architect (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-cayman (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-dinky (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-hacker (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-leap-day (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-merlot (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-midnight (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-minimal (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-modernist (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-primer (0.1.8)
-      jekyll (~> 3.3)
-    jekyll-theme-slate (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-tactile (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-theme-time-machine (0.0.4)
-      jekyll (~> 3.3)
-    jekyll-titles-from-headings (0.1.5)
+    jekyll-theme-architect (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-cayman (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-dinky (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-hacker (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-leap-day (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-merlot (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-midnight (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-minimal (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-modernist (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-primer (0.5.2)
+      jekyll (~> 3.5)
+      jekyll-github-metadata (~> 2.9)
+      jekyll-seo-tag (~> 2.2)
+    jekyll-theme-slate (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-tactile (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-theme-time-machine (0.1.0)
+      jekyll (~> 3.5)
+      jekyll-seo-tag (~> 2.0)
+    jekyll-titles-from-headings (0.4.0)
       jekyll (~> 3.3)
     jekyll-watch (1.5.0)
       listen (~> 3.0, < 3.1)
@@ -153,42 +166,46 @@ GEM
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0)
-    json (1.8.6)
     kramdown (1.13.2)
-    liquid (3.0.6)
+    liquid (4.0.0)
     listen (3.0.6)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.1.0)
-    minima (2.0.0)
-    minitest (5.10.1)
+    mini_portile2 (2.2.0)
+    minima (2.1.1)
+      jekyll (~> 3.3)
+    minitest (5.10.3)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.7.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.8.0)
+      mini_portile2 (~> 2.2.0)
     octokit (4.7.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
-    rb-fsevent (0.9.8)
-    rb-inotify (0.9.8)
-      ffi (>= 0.5.0)
+    rb-fsevent (0.10.2)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
     rouge (1.11.1)
     safe_yaml (1.0.4)
-    sass (3.4.23)
+    sass (3.5.1)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
     sawyer (0.8.1)
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
-    terminal-table (1.7.3)
-      unicode-display_width (~> 1.1.1)
+    terminal-table (1.8.0)
+      unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
     tzinfo (1.2.3)
       thread_safe (~> 0.1)
-    unicode-display_width (1.1.3)
+    unicode-display_width (1.3.0)
 
 PLATFORMS
   ruby
@@ -197,4 +214,4 @@ DEPENDENCIES
   github-pages
 
 BUNDLED WITH
-   1.14.6
+   1.15.4