JCR-3816: [aws-ext]S3DS not able update lastModified of record > 5GB
JCR-3817: [jackrabbit-aws-ext] Performance of operation degrades while running DS GC

Applying patch from Shashank Gupta

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1632482 13f79535-47bb-0310-9956-ffa450edef68