JCLOUDS-457: Added deleteArchive and uploadArchive operations to the Glacier client
JCLOUDS-457: Added initiateMultipartUpload and uploadPart operations to the Glacier client.
JCLOUDS-457: Added completeMultipartUpload and abortMultipartUpload operations to the Glacier client.
JCLOUDS-457: Added listParts and listMultipartUploads operations to the Glacier client.