diff --git a/_site/Gemfile b/_site/Gemfile
old mode 100755
new mode 100644
index 6b8260d5..7840f8c7
--- a/_site/Gemfile
+++ b/_site/Gemfile
@@ -3,5 +3,5 @@ source 'http://rubygems.org'
 gem 'rough'
 gem 'jekyll-paginate'
 gem 'jekyll-geo-pattern'
-gem 'kramdown'
+gem 'kramdown', '>= 2.3.0'
 gem 'jekyll-github-metadata'
\ No newline at end of file
diff --git a/_site/Gemfile.lock b/_site/Gemfile.lock
index df2fd606..eb9f46c2 100644
--- a/_site/Gemfile.lock
+++ b/_site/Gemfile.lock
@@ -35,57 +35,73 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.4.0)
+    addressable (2.8.2)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (6.0.4)
     builder (3.2.4)
     color (1.8)
     colorator (1.1.0)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.2)
     crass (1.0.6)
     date (3.3.3)
+    em-websocket (0.5.3)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0)
     erubis (2.7.0)
-    faraday (0.9.2)
-      multipart-post (>= 1.2, < 3)
-    ffi (1.9.14)
-    ffi (1.9.14-x64-mingw32)
+    eventmachine (1.2.7)
+    eventmachine (1.2.7-x64-mingw32)
+    faraday (2.7.4)
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.2)
+    ffi (1.15.5)
+    ffi (1.15.5-x64-mingw32)
     forwardable-extended (2.6.0)
     geo_pattern (1.2.1)
       color (~> 1.5)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
+    http_parser.rb (0.8.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.3.0)
+    jekyll (4.0.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
-      jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
-      liquid (~> 3.0)
+      em-websocket (~> 0.5)
+      i18n (>= 0.9.5, < 2)
+      jekyll-sass-converter (~> 2.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 2.1)
+      kramdown-parser-gfm (~> 1.0)
+      liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
-      rouge (~> 1.7)
+      rouge (~> 3.0)
       safe_yaml (~> 1.0)
+      terminal-table (~> 1.8)
     jekyll-geo-pattern (0.4.1)
       geo_pattern (~> 1.2.1)
       jekyll
-    jekyll-github-metadata (2.2.0)
-      jekyll (~> 3.1)
+    jekyll-github-metadata (2.15.0)
+      jekyll (>= 3.4, < 5.0)
       octokit (~> 4.0, != 4.4.0)
     jekyll-paginate (1.1.0)
-    jekyll-sass-converter (1.4.0)
-      sass (~> 3.4)
-    jekyll-watch (1.5.0)
-      listen (~> 3.0, < 3.1)
-    kramdown (1.12.0)
-    liquid (3.0.6)
-    listen (3.0.8)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.19.1)
+    jekyll-sass-converter (2.2.0)
+      sassc (> 2.0.1, < 3.0)
+    jekyll-watch (2.2.1)
+      listen (~> 3.0)
+    kramdown (2.4.0)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
+    liquid (4.0.4)
+    listen (3.8.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    loofah (2.20.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.8.0.1)
+    mail (2.8.1)
       mini_mime (>= 0.1.1)
       net-imap
       net-pop
@@ -94,8 +110,7 @@ GEM
     middleware (0.1.0)
     mini_mime (1.1.2)
     mini_portile2 (2.8.1)
-    minitest (5.17.0)
-    multipart-post (2.0.0)
+    minitest (5.18.0)
     net-imap (0.3.4)
       date
       net-protocol
@@ -105,20 +120,22 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nokogiri (1.14.0)
+    nokogiri (1.14.2)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.14.0-x64-mingw32)
+    nokogiri (1.14.2-x64-mingw32)
       racc (~> 1.4)
-    octokit (4.4.1)
-      sawyer (~> 0.7.0, >= 0.5.3)
-    pathutil (0.14.0)
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
+    pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     protobuf (3.10.7)
       activesupport (>= 3.2)
       middleware
       thor
       thread_safe
+    public_suffix (5.0.1)
     racc (1.6.2)
     rack (1.6.13)
     rack-test (0.6.3)
@@ -148,18 +165,23 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (13.0.6)
-    rb-fsevent (0.9.8)
-    rb-inotify (0.9.7)
-      ffi (>= 0.5.0)
-    rouge (1.11.1)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rexml (3.2.5)
+    rouge (3.30.0)
     rough (0.2.6)
       protobuf (>= 3.4)
       rails (~> 4.1)
-    safe_yaml (1.0.4)
-    sass (3.4.22)
-    sawyer (0.7.0)
-      addressable (>= 2.3.5, < 2.5)
-      faraday (~> 0.8, < 0.10)
+    ruby2_keywords (0.0.5)
+    safe_yaml (1.0.5)
+    sassc (2.4.0)
+      ffi (~> 1.9)
+    sassc (2.4.0-x64-mingw32)
+      ffi (~> 1.9)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
     sprockets (4.1.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -167,11 +189,14 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    terminal-table (1.8.0)
+      unicode-display_width (~> 1.1, >= 1.1.1)
     thor (1.2.1)
     thread_safe (0.3.6)
-    timeout (0.3.1)
-    tzinfo (1.2.10)
+    timeout (0.3.2)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
+    unicode-display_width (1.8.0)
 
 PLATFORMS
   ruby
@@ -181,7 +206,7 @@ DEPENDENCIES
   jekyll-geo-pattern
   jekyll-github-metadata
   jekyll-paginate
-  kramdown
+  kramdown (>= 2.3.0)
   rough
 
 BUNDLED WITH