chore(deps): jekyll 3.5 (#66)

Merge pull request 66

Author: jekyllbot

jekyll-gist.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "octokit", "~> 4.2"
   spec.add_development_dependency "bundler", "~> 1.6"
-  spec.add_development_dependency "jekyll", ">= 3.0"
+  spec.add_development_dependency "jekyll", ">= 3.5"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec"
   spec.add_development_dependency "rubocop-jekyll", "~> 0.3"