Adding pod spec

DoImagePickerController.podspec

@@ -0,0 +1,19 @@
+Pod::Spec.new do |s|
+  s.name             = 'DoImagePickerController'
+  s.version          = '1.0'
+  s.summary          = 'An image picker controller with single selection and multiple selection. Support to select lots photos with panning gesture'
+  s.homepage         = 'https://github.com/IdleHandsApps/DoImagePickerController/'
+  s.description      = <<-DESC
+                       DoImagePickerController  is an image picker controller with single selection and multiple selection. Support to select lots photos with panning gesture
+                       DESC
+  s.license          = 'MIT'
+  s.author           = { 'Fraser Scott-Morrison' => '[email protected]' }
+  s.source           = { :git => 'https://github.com/IdleHandsApps/DoImagePickerController.git', :tag => s.version.to_s }
+  s.platform     = :ios, '7.0'
+  s.source_files = 'ImagePicker/DoImagePicker/*{h,m}'
+  s.public_header_files = 'ImagePicker/DoImagePicker/*.h'
+  s.resources = 'ImagePicker/DoImagePicker/*.{xib}'
+
+  s.ios.deployment_target = '7.0'
+  s.requires_arc = true
+end