Update MJExtension.podspec

Author: CoderMJLee

MJExtension.podspec

@@ -1,12 +1,12 @@
 Pod::Spec.new do |s|
   s.name         = "MJExtension"
-  s.version      = "3.1.0"
+  s.version      = "3.1.1"
   s.ios.deployment_target = '8.0'
   s.osx.deployment_target = '10.8'
   s.summary      = "A fast and convenient conversion between JSON and model"
   s.homepage     = "https://github.com/CoderMJLee/MJExtension"
   s.license      = "MIT"
-  s.author             = { "MJLee" => "199109106@qq.com" }
+  s.author             = { "MJ Lee" => "richermj123go@vip.qq.com" }
   s.social_media_url   = "http://weibo.com/exceptions"
   s.source       = { :git => "https://github.com/CoderMJLee/MJExtension.git", :tag => s.version }
   s.source_files  = "MJExtension"