update bundler

Author: Matt Walters

meta_events.gemspec

@@ -20,7 +20,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "json", "~> 1.0"
   spec.add_dependency "activesupport", ">= 3.0"
 
-  spec.add_development_dependency "bundler", "~> 1.5"
+  spec.add_development_dependency "bundler", "~> 1.11.2"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec", "~> 2.14"
   spec.add_development_dependency "pry"