Update gemspec

oauth2.gemspec

@@ -5,21 +5,36 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'oauth2/version'
 
 Gem::Specification.new do |spec|
-  spec.add_dependency 'faraday', ['>= 0.8', '< 0.13']
+  spec.add_dependency 'faraday', ['>= 0.8', '< 0.16.0']
   spec.add_dependency 'jwt', ['>= 1.0', '< 3.0']
   spec.add_dependency 'multi_json', '~> 1.3'
   spec.add_dependency 'multi_xml', '~> 0.5'
   spec.add_dependency 'rack', ['>= 1.2', '< 3']
-  spec.add_development_dependency 'bundler', '~> 1.0'
-  spec.authors       = ['Michael Bleigh', 'Erik Michaels-Ober']
+
+  spec.authors       = ['Peter Boling', 'Michael Bleigh', 'Erik Michaels-Ober']
   spec.description   = 'A Ruby wrapper for the OAuth 2.0 protocol built with a similar style to the original OAuth spec.'
-  spec.email         = ['michael@intridea.com', 'sferik@gmail.com']
-  spec.files         = %w[.document CONTRIBUTING.md LICENSE.md README.md oauth2.gemspec] + Dir['lib/**/*.rb']
-  spec.homepage      = 'http://github.com/intridea/oauth2'
+  spec.email         = ['peter.boling@gmail.com']
+  spec.homepage      = 'https://github.com/oauth-xx/oauth2'
   spec.licenses      = %w[MIT]
   spec.name          = 'oauth2'
-  spec.require_paths = %w[lib]
+  spec.required_ruby_version = '>= 1.9.0'
   spec.required_rubygems_version = '>= 1.3.5'
   spec.summary       = 'A Ruby wrapper for the OAuth 2.0 protocol.'
   spec.version       = OAuth2::Version
+
+  spec.require_paths = %w[lib]
+  spec.bindir        = 'exe'
+  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.files         = `git ls-files -z`.split("\x0").reject do |f|
+    f.match(%r{^(bin|test|spec|features)/})
+  end
+
+  spec.add_development_dependency 'addressable', '~> 2.3'
+  spec.add_development_dependency 'backports', '~> 3.11'
+  spec.add_development_dependency 'bundler', '~> 1.16'
+  spec.add_development_dependency 'coveralls', '~> 0.8'
+  spec.add_development_dependency 'rake', '~> 12.3'
+  spec.add_development_dependency 'rdoc', ['>= 5.0', '< 7']
+  spec.add_development_dependency 'rspec', '~> 3.0'
+  spec.add_development_dependency 'wwtd'
 end