support cocoapods

KDInteractiveNavigationController.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "KDInteractiveNavigationController"
-  s.version      = "0.1.2"
+  s.version      = "0.2"
   s.summary      = "A UINavigationController subclass that support interactive UINavigationbar with hidden or show."
 
   s.homepage     = "https://github.com/kingiol/KDInteractiveNavigationController"
@@ -10,9 +10,14 @@ Pod::Spec.new do |s|
   s.license = { :type => 'MIT', :file => 'LICENSE' }
   s.authors = { "kingiol" => "kingxiaokang@gmail.com" }
 
-  s.platform     = :ios, "8.0"
+  # s.platform     = :ios, "8.0"
   s.requires_arc = true
 
+  s.ios.deployment_target = "8.0"
+  # s.osx.deployment_target = "10.9"
+  # s.watchos.deployment_target = "2.0"
+  # s.tvos.deployment_target = "9.0"
+
   s.source       = { :git => "https://github.com/kingiol/KDInteractiveNavigationController.git", :tag => s.version.to_s }
 
   s.source_files  = "KDInteractiveNavigationController/*.{swift}"