Update podspec

DDExpandableButton.podspec

@@ -1,11 +1,12 @@
-Pod::Spec.new do|s|
+Pod::Spec.new do |s|
 	s.name = 'DDExpandableButton'
 	s.version = '1.0.0'
-	s.license = {:type => 'MIT', :file => 'LICENSE'}
-	s.author = 'Damien Debin'
+	s.license = { :type => 'MIT', :file => 'LICENSE' }
+	s.author = { 'Damien Debin' => 'damien.debin@gmail.com' }
 	s.homepage = 'https://github.com/ddebin/DDExpandableButton'
 	s.summary = "DDExpandableButton is a class designed to be used like an expandable UIButton; as seen in the iOS Camera app for the flash button."
-	s.source = {:git => 'https://github.com/ddebin/DDExpandableButton.git', :tag => '1.0.0'}
+	s.source = { :git => 'https://github.com/ddebin/DDExpandableButton.git', :tag => '1.0.0' }
 	s.source_files = 'DDExpandableButton/*{.h,.m}'
 	s.platform = :ios
-end
+	s.requires_arc = false
+end