Bump Ruby to 2.4.2 + update dependencies #55

Fixes #55

Author: bascht

.ruby-version

@@ -1 +1 @@
-2.3.3
+2.4.2

Gemfile.lock

@@ -9,31 +9,31 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (3.2.22.2)
+    activesupport (3.2.22.5)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    builder (3.2.2)
-    chunky_png (1.3.5)
+    builder (3.2.3)
+    chunky_png (1.3.10)
     coffee-script (2.2.0)
       coffee-script-source
       execjs
-    coffee-script-source (1.10.0)
+    coffee-script-source (1.12.2)
     compass (0.12.7)
       chunky_png (~> 1.2)
       fssm (>= 0.2.7)
       sass (~> 3.2.19)
     execjs (1.4.1)
       multi_json (~> 1.0)
-    ffi (1.9.10)
+    ffi (1.9.21)
     fssm (0.2.10)
-    git-version-bump (0.15.1)
-    haml (4.0.7)
+    haml (5.0.4)
+      temple (>= 0.8.0)
       tilt
     hike (1.2.3)
     i18n (0.6.11)
-    icalendar (2.3.0)
-    json (1.8.3)
-    kramdown (1.10.0)
+    icalendar (2.4.1)
+    json (2.1.0)
+    kramdown (1.16.2)
     listen (1.3.1)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
@@ -66,37 +66,34 @@ GEM
       sprockets (~> 2.2)
       sprockets-helpers (~> 1.1.0)
       sprockets-sass (~> 1.1.0)
-    mini_portile2 (2.0.0)
-    multi_json (1.11.2)
+    mini_portile2 (2.3.0)
+    multi_json (1.13.1)
     net-sftp (2.1.2)
       net-ssh (>= 2.6.5)
-    net-ssh (3.0.2)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
-    posix-spawn (0.3.11)
-    ptools (1.3.3)
+    net-ssh (4.2.0)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
+    ptools (1.3.5)
     puma (1.6.3)
       rack (~> 1.2)
-    pygments.rb (0.6.3)
-      posix-spawn (~> 0.3.6)
-      yajl-ruby (~> 1.2.0)
-    rack (1.6.4)
-    rack-contrib (1.4.0)
-      git-version-bump (~> 0.15)
+    pygments.rb (1.2.1)
+      multi_json (>= 1.0.0)
+    rack (1.6.8)
+    rack-contrib (1.8.0)
       rack (~> 1.4)
     rack-rewrite (1.5.1)
     rack-test (0.6.3)
       rack (>= 1.0)
     rake (10.0.4)
-    rb-fsevent (0.9.7)
-    rb-inotify (0.9.7)
+    rb-fsevent (0.10.2)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
+    rb-kqueue (0.2.5)
       ffi (>= 0.5.0)
-    rb-kqueue (0.2.4)
-      ffi (>= 0.5.0)
-    redcarpet (3.3.4)
+    redcarpet (3.4.0)
     sass (3.2.19)
-    sitemap_generator (5.1.0)
-      builder
+    sitemap_generator (6.0.1)
+      builder (~> 3.0)
     sprockets (2.12.4)
       hike (~> 1.2)
       multi_json (~> 1.0)
@@ -107,12 +104,12 @@ GEM
     sprockets-sass (1.1.0)
       sprockets (~> 2.0)
       tilt (~> 1.1)
-    thor (0.19.1)
+    temple (0.8.0)
+    thor (0.20.0)
     tilt (1.4.1)
     uglifier (2.4.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
-    yajl-ruby (1.2.1)
     zurb-foundation (4.0.9)
       sass (>= 3.2.0)
 
@@ -139,4 +136,4 @@ DEPENDENCIES
   zurb-foundation (~> 4.0.5)
 
 BUNDLED WITH
-   1.14.6
+   1.16.0

README.md

@@ -8,7 +8,7 @@ Install
 
 Provided you have RVM installed, installation should require **4 Steps:**
 
-    rvm 2.3.3
+    rvm 2.4.2
     rvm gemset create middleman
     gem install bundler
     bundle install