Bump dependencies & drop unused :production group

Author: bascht

Gemfile

@@ -16,11 +16,5 @@ gem 'pygments.rb'
 
 gem 'html5-boilerplate', :require => 'html5-boilerplate'
 
-group :production do
-  gem 'puma',         '~> 1.6.3'
-  gem 'rack-contrib'
-  gem 'rack-rewrite'
-end
-
 gem 'rb-inotify', '~> 0.9', require: false
 gem 'icalendar'

Gemfile.lock

@@ -1,19 +1,19 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.10)
+    activesupport (4.2.11.1)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    builder (3.2.3)
+    builder (3.2.4)
     capybara (2.4.4)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    chunky_png (1.3.10)
+    chunky_png (1.3.11)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -34,8 +34,8 @@ GEM
       sass (>= 3.2, < 3.5)
     erubis (2.7.0)
     execjs (2.7.0)
-    ffi (1.9.21)
-    haml (5.0.4)
+    ffi (1.11.3)
+    haml (5.1.2)
       temple (>= 0.8.0)
       tilt
     hike (1.2.3)
@@ -45,11 +45,13 @@ GEM
       compass
       compass-h5bp
     i18n (0.7.0)
-    icalendar (2.4.1)
+    icalendar (2.6.1)
+      ice_cube (~> 0.16)
+    ice_cube (0.16.3)
     jquery-middleman (3.1.2)
       thor (>= 0.14, < 2.0)
-    json (2.1.0)
-    kramdown (1.16.2)
+    json (2.3.0)
+    kramdown (1.17.0)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -76,46 +78,41 @@ GEM
       rack (>= 1.4.5, < 2.0)
       thor (>= 0.15.2, < 2.0)
       tilt (~> 1.4.1, < 2.0)
-    middleman-gh-pages (0.3.1)
+    middleman-gh-pages (0.4.1)
       rake (> 0.9.3)
     middleman-sprockets (3.5.0)
       middleman-core (>= 3.3)
       sprockets (~> 2.12.1)
       sprockets-helpers (~> 1.1.0)
       sprockets-sass (~> 1.3.0)
-    mime-types (3.1)
+    mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
-    mini_portile2 (2.3.0)
-    minitest (5.11.3)
-    multi_json (1.13.1)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
-    padrino-helpers (0.12.8.1)
+    mime-types-data (3.2019.1009)
+    mini_portile2 (2.4.0)
+    minitest (5.14.0)
+    multi_json (1.14.1)
+    nokogiri (1.10.7)
+      mini_portile2 (~> 2.4.0)
+    padrino-helpers (0.12.9)
       i18n (~> 0.6, >= 0.6.7)
-      padrino-support (= 0.12.8.1)
-      tilt (~> 1.4.1)
-    padrino-support (0.12.8.1)
+      padrino-support (= 0.12.9)
+      tilt (>= 1.4.1, < 3)
+    padrino-support (0.12.9)
       activesupport (>= 3.1)
-    puma (1.6.3)
-      rack (~> 1.2)
     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 (0.8.2)
+    rack (1.6.12)
+    rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rake (10.0.4)
-    rb-fsevent (0.10.2)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
-    redcarpet (3.4.0)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    redcarpet (3.5.0)
     sass (3.4.25)
-    sitemap_generator (6.0.1)
+    sitemap_generator (6.1.0)
       builder (~> 3.0)
-    sprockets (2.12.4)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -125,11 +122,11 @@ GEM
     sprockets-sass (1.3.1)
       sprockets (~> 2.0)
       tilt (~> 1.1)
-    temple (0.8.0)
-    thor (0.20.0)
+    temple (0.8.2)
+    thor (1.0.1)
     thread_safe (0.3.6)
     tilt (1.4.1)
-    tzinfo (1.2.5)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uber (0.0.15)
     uglifier (2.7.2)
@@ -152,10 +149,7 @@ DEPENDENCIES
   middleman (~> 3.4.1)
   middleman-gh-pages
   nokogiri
-  puma (~> 1.6.3)
   pygments.rb
-  rack-contrib
-  rack-rewrite
   rake (~> 10.0.3)
   rb-inotify (~> 0.9)
   redcarpet
@@ -164,4 +158,4 @@ DEPENDENCIES
   zurb-foundation (~> 4.3.2)
 
 BUNDLED WITH
-   1.16.0
+   1.17.2