Merge branch 'remove-rails-requirement' of https://github.com/80pctsols/blazer into 80pctsols-remove-rails-requirement

blazer.gemspec

@@ -17,7 +17,8 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "rails", ">= 4"
+  spec.add_dependency "railties", ">= 4"
+  spec.add_dependency "activerecord", ">= 4"
   spec.add_dependency "chartkick"
   spec.add_dependency "safely_block", ">= 0.1.1"