Removed duplication between ZipArchiveOutputStream and StreamCompressor

Reatained all compatibility in ZipArchiveOutputStream

Made StreamCompressor and all instantiation of this package private.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1648585 13f79535-47bb-0310-9956-ffa450edef68
After a large amount of YAK shaving, finally rebased the ConcurretnZipCreator back
to trunk