Update gemspec

vanilla-ujs.gemspec

@@ -6,27 +6,19 @@ require 'vanilla/ujs/version'
 Gem::Specification.new do |spec|
   spec.name          = 'vanilla-ujs'
   spec.version       = Vanilla::Ujs::VERSION
-  spec.authors       = ["Łukasz Jan Niemier"]
-  spec.email         = ['[email protected]']
+  spec.authors       = ['Łukasz Jan Niemier', 'Alex Tsukurov', 'Kirill Pimenov']
+  spec.email         = ['[email protected]', '[email protected]']
 
-  spec.summary       = 'Vanilla JS version of UJS'
-  spec.description   = 'Vanilla JS version of UJS'
+  spec.summary       = 'UJS without jQuery dependency'
+  spec.description   = 'This gem provides Rails UJS features without jQuery library.'
   spec.homepage      = 'https://github.com/hauleth/vanilla-ujs'
   spec.license       = 'MIT'
 
-  # Prevent pushing this gem to RubyGems.org by setting 'allowed_push_host', or
-  # delete this section to allow pushing this gem to any host.
-  if spec.respond_to?(:metadata)
-    spec.metadata['allowed_push_host'] = "TODO: Set to 'http://mygemserver.com'"
-  else
-    fail 'RubyGems 2.0 or newer is required to protect against public gem pushes.'
-  end
-
-  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  spec.bindir        = 'exe'
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test)/}) }
   spec.require_paths = ['lib']
 
+  spec.required_rubygems_version = '>= 1.3.6'
+
   spec.add_dependency 'railties', '>= 4.2.0'
 
   spec.add_development_dependency 'bundler', '~> 1.11'