move up to latest ruby 2.4.1, json 2.1.0, and bundler 1.16.1

Signed-off-by: nickboldt <[email protected]>

Author: nickboldt

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 # older ruby versions have problems! Lets be specific. use 'rvm use 1.9.3@sites --create' to use specific ruby version
-ruby '2.2.1'
+ruby '2.4.1'
 #gem 'awestruct', '0.5.5'         # Framework for creating static HTML sites
 #gem 'awestruct', :git => 'git://github.com/aslakknutsen/awestruct.git', :branch => 'lazy_gen'
 #gem 'awestruct', :git => 'git://github.com/lightguard/awestruct.git', :branch => 'switch_from_rexml_to_oga'

Gemfile.lock

@@ -95,7 +95,7 @@ GEM
     http-cookie (1.0.2)
       domain_name (~> 0.5)
     http_parser.rb (0.6.0)
-    json (1.8.2)
+    json (2.1.0)
     kramdown (1.0.2)
     less (2.6.0)
       commonjs (~> 0.2.7)
@@ -179,3 +179,9 @@ DEPENDENCIES
   tilt
   uglifier (~> 2.0.1)
   version (= 1.0.0)
+
+RUBY VERSION
+   ruby 2.4.1p111
+
+BUNDLED WITH
+   1.16.1