Cleanup Readme and podfile

SSZipArchive.podspec

@@ -1,15 +0,0 @@
-Pod::Spec.new do |s|
-  s.name         = 'SSZipArchive'
-  s.version      = '0.3.2'
-  s.summary      = 'Utility class for zipping and unzipping files on iOS and Mac.'
-  s.description  = 'SSZipArchive is a simple utility class for zipping and unzipping files on iOS and Mac.'
-  s.homepage     = 'https://github.com/soffes/ssziparchive'
-  s.license      = { :type => 'MIT', :file => 'LICENSE.txt' }
-  s.author       = { 'Sam Soffes' => 'sam@soff.es' }
-  s.source       = { :git => 'https://github.com/soffes/ssziparchive.git', :tag => "v#{s.version}" }
-  s.ios.deployment_target = '4.0'
-  s.osx.deployment_target = '10.6'
-  s.source_files = 'SSZipArchive/*', 'SSZipArchive/minizip/*'
-  s.library = 'z'
-  s.requires_arc = true
-end