Expanded the signing process to include AMZ headers and also correctly add Content-Type and Content-MD5 (if provided) to the authorization header
updated long longs and NSUInteger to NSInteger
Update AFAmazonS3Client.podspec

update file locations
Update AFAmazonS3Client.podspec
Merged robert paynes work into our repo
Forgot one merge conflict, fixed
updated methods to work with newest version of AFnetworking
Do not use multipart for PUT requests
Sets all PUTed object to be public available
add ignore file
Merge branch 'master' of https://github.com/theill/AFAmazonS3Client into theill