Added watchos deployment target to the podspec and updated authors.

Alamofire.podspec

@@ -5,11 +5,12 @@ Pod::Spec.new do |s|
   s.summary = 'Elegant HTTP Networking in Swift'
   s.homepage = 'https://github.com/Alamofire/Alamofire'
   s.social_media_url = 'http://twitter.com/AlamofireSF'
-  s.authors = { 'Mattt Thompson' => 'm@mattt.me' }
+  s.authors = { 'Alamofire Software Foundation' => 'info@alamofire.org' }
   s.source = { :git => 'https://github.com/Alamofire/Alamofire.git', :tag => s.version }
 
   s.ios.deployment_target = '8.0'
   s.osx.deployment_target = '10.9'
+  s.watchos.deployment_target = '2.0'
 
   s.source_files = 'Source/*.swift'