Update podspec to 1.2.0

OBShapedButton.podspec

@@ -1,11 +1,11 @@
 Pod::Spec.new do |s|
   s.name     = 'OBShapedButton'
-  s.version  = '1.1.0'
+  s.version  = '1.2.0'
   s.license  = 'MIT'
   s.summary  = 'A UIButton subclass that works with non-rectangular button shapes.'
   s.homepage = 'https://github.com/ole/OBShapedButton'
   s.author   = { 'Ole Begemann' => '[email protected]' }
-  s.source   = { :git => 'https://github.com/ole/OBShapedButton.git', :tag => '1.1.0' }
+  s.source   = { :git => 'https://github.com/ole/OBShapedButton.git', :tag => '1.2.0' }
   s.description = 'Instances of OBShapedButton respond to touches only in areas where the image that is assigned to the button for UIControlStateNormal is non-transparent.'
   s.platform = :ios
   s.source_files = 'OBShapedButton/**/*.{h,m}', 'UIImage+ColorAtPixel/**/*.{h,m}'

podspec/1.2.0/OBShapedButton.podspec

@@ -0,0 +1,13 @@
+Pod::Spec.new do |s|
+  s.name     = 'OBShapedButton'
+  s.version  = '1.2.0'
+  s.license  = 'MIT'
+  s.summary  = 'A UIButton subclass that works with non-rectangular button shapes.'
+  s.homepage = 'https://github.com/ole/OBShapedButton'
+  s.author   = { 'Ole Begemann' => '[email protected]' }
+  s.source   = { :git => 'https://github.com/ole/OBShapedButton.git', :tag => '1.2.0' }
+  s.description = 'Instances of OBShapedButton respond to touches only in areas where the image that is assigned to the button for UIControlStateNormal is non-transparent.'
+  s.platform = :ios
+  s.source_files = 'OBShapedButton/**/*.{h,m}', 'UIImage+ColorAtPixel/**/*.{h,m}'
+  s.requires_arc = true
+end