Added podSpec

AHAlertView.podspec

@@ -0,0 +1,14 @@
+Pod::Spec.new do |s|
+  s.name         = "AHAlertView"
+  s.version      = "1.0.0"
+  s.summary      = "`AHAlertView` is a powerful, block-based alternative to UIKit's `UIAlertView`. "
+  s.homepage     = "https://github.com/warrenm/AHAlertView.git"
+  s.license      = { :type => 'MIT', :file => 'LICENSE' }
+  s.author       = { "Warren Moore" => "wm@warrenmoore.net" }
+  s.source       = { :git => "https://github.com/warrenm/AHAlertView.git", :tag => "1.0.0" }
+  s.platform     = :ios, '5.0'
+  s.source_files = 'Class', 'AHAlertView/**/*.{h,m}'
+  s.public_header_files = 'AHAlertView/**/*.h'
+  s.frameworks  = 'QuartzCore'
+  s.requires_arc = true
+end