Update README.md & podspec.

Author: inamiy

README.md

@@ -1,10 +1,14 @@
 SwiftTask
 =========
 
-[Promise](http://www.html5rocks.com/en/tutorials/es6/promises/) + progress + pause + cancel + retry, using [SwiftState](https://github.com/inamiy/SwiftState) (state machine).
+[Promise](http://www.html5rocks.com/en/tutorials/es6/promises/) + progress + pause + cancel + retry for Swift.
 
 ![SwiftTask](Screenshots/diagram.png)
 
+### Ver 2.6.0 Changelog (2015/01/21)
+
+- **240x faster** ([Pull Request #22](https://github.com/ReactKit/SwiftTask/pull/22))
+
 ### Ver 2.1.0 Changelog (2014/12/05)
 
 - added **retryable** feature `try()`

SwiftTask.podspec

@@ -4,7 +4,7 @@ Pod::Spec.new do |s|
   s.license  = { :type => 'MIT' }
   s.homepage = 'https://github.com/ReactKit/SwiftTask'
   s.authors  = { 'Yasuhiro Inami' => '[email protected]' }
-  s.summary  = 'Promise + progress + pause + cancel + retry, using SwiftState (state machine).'
+  s.summary  = 'Promise + progress + pause + cancel + retry for Swift.'
   s.source   = { :git => 'https://github.com/inamiy/SwiftTask.git', :tag => "#{s.version}" }
   s.source_files = 'SwiftTask/**/*.{h,swift}'
   s.requires_arc = true