Clean-up Gemfile

- Remove gems already included with `github-pages`
- Remove Octopress, should be optional

Gemfile

@@ -1,6 +1,3 @@
 source "https://rubygems.org"
 
-gem "jekyll", "~> 3.0"
+gem "github-pages"
-gem "jekyll-sitemap"
-gem "jekyll-gist"
-gem "octopress"

Gemfile.lock

@@ -1,12 +1,59 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    RedCloth (4.2.9)
+    activesupport (4.2.5.1)
+      i18n (~> 0.7)
+      json (~> 1.7, >= 1.7.7)
+      minitest (~> 5.1)
+      thread_safe (~> 0.3, >= 0.3.4)
+      tzinfo (~> 1.1)
     addressable (2.3.8)
+    coffee-script (2.4.1)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.10.0)
     colorator (0.1)
+    ethon (0.8.1)
+      ffi (>= 1.3.0)
+    execjs (2.6.0)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.10)
-    jekyll (3.1.1)
+    gemoji (2.1.0)
+    github-pages (51)
+      RedCloth (= 4.2.9)
+      github-pages-health-check (= 1.0.1)
+      jekyll (= 3.0.3)
+      jekyll-coffeescript (= 1.0.1)
+      jekyll-feed (= 0.4.0)
+      jekyll-gist (= 1.4.0)
+      jekyll-mentions (= 1.0.1)
+      jekyll-paginate (= 1.1.0)
+      jekyll-redirect-from (= 0.9.1)
+      jekyll-sass-converter (= 1.3.0)
+      jekyll-seo-tag (= 1.2.0)
+      jekyll-sitemap (= 0.10.0)
+      jekyll-textile-converter (= 0.1.0)
+      jemoji (= 0.5.1)
+      kramdown (= 1.9.0)
+      liquid (= 3.0.6)
+      mercenary (~> 0.3)
+      rdiscount (= 2.1.8)
+      redcarpet (= 3.3.3)
+      rouge (= 1.10.1)
+      terminal-table (~> 1.4)
+    github-pages-health-check (1.0.1)
+      addressable (~> 2.3)
+      net-dns (~> 0.8)
+      octokit (~> 4.0)
+      public_suffix (~> 1.4)
+      typhoeus (~> 0.7)
+    html-pipeline (2.3.0)
+      activesupport (>= 2, < 5)
+      nokogiri (>= 1.4)
+    i18n (0.7.0)
+    jekyll (3.0.3)
       colorator (~> 0.1)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 1.1)
@@ -15,56 +62,69 @@ GEM
       mercenary (~> 0.3.3)
       rouge (~> 1.7)
       safe_yaml (~> 1.0)
+    jekyll-coffeescript (1.0.1)
+      coffee-script (~> 2.2)
+    jekyll-feed (0.4.0)
     jekyll-gist (1.4.0)
       octokit (~> 4.2)
-    jekyll-sass-converter (1.4.0)
+    jekyll-mentions (1.0.1)
-      sass (~> 3.4)
+      html-pipeline (~> 2.3)
+      jekyll (~> 3.0)
+    jekyll-paginate (1.1.0)
+    jekyll-redirect-from (0.9.1)
+      jekyll (>= 2.0)
+    jekyll-sass-converter (1.3.0)
+      sass (~> 3.2)
+    jekyll-seo-tag (1.2.0)
+      jekyll (>= 2.0)
     jekyll-sitemap (0.10.0)
+    jekyll-textile-converter (0.1.0)
+      RedCloth (~> 4.0)
     jekyll-watch (1.3.1)
       listen (~> 3.0)
+    jemoji (0.5.1)
+      gemoji (~> 2.0)
+      html-pipeline (~> 2.2)
+      jekyll (>= 2.0)
+    json (1.8.3)
     kramdown (1.9.0)
     liquid (3.0.6)
-    listen (3.0.5)
+    listen (3.0.6)
       rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
+      rb-inotify (>= 0.9.7)
     mercenary (0.3.5)
+    mini_portile2 (2.0.0)
+    minitest (5.8.4)
     multipart-post (2.0.0)
+    net-dns (0.8.0)
+    nokogiri (1.6.7.2)
+      mini_portile2 (~> 2.0.0.rc2)
     octokit (4.2.0)
       sawyer (~> 0.6.0, >= 0.5.3)
-    octopress (3.0.11)
+    public_suffix (1.5.3)
-      jekyll (>= 2.0)
-      mercenary (~> 0.3.2)
-      octopress-deploy
-      octopress-escape-code (~> 2.0)
-      octopress-hooks (~> 2.0)
-      redcarpet (~> 3.0)
-      titlecase
-    octopress-deploy (1.3.0)
-      colorator
-    octopress-escape-code (2.1.1)
-      jekyll (~> 3.0)
-    octopress-hooks (2.6.1)
-      jekyll (>= 2.0)
     rb-fsevent (0.9.7)
-    rb-inotify (0.9.5)
+    rb-inotify (0.9.7)
       ffi (>= 0.5.0)
-    redcarpet (3.3.4)
+    rdiscount (2.1.8)
+    redcarpet (3.3.3)
     rouge (1.10.1)
     safe_yaml (1.0.4)
     sass (3.4.21)
     sawyer (0.6.0)
       addressable (~> 2.3.5)
       faraday (~> 0.8, < 0.10)
-    titlecase (0.1.1)
+    terminal-table (1.5.2)
+    thread_safe (0.3.5)
+    typhoeus (0.8.0)
+      ethon (>= 0.8.0)
+    tzinfo (1.2.2)
+      thread_safe (~> 0.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  jekyll (~> 3.0)
+  github-pages
-  jekyll-gist
-  jekyll-sitemap
-  octopress
 
 BUNDLED WITH
    1.11.2