Switch test_object_create_unreadable to use '\n' instead of '\a'.
Switch test_object_create_unreadable to use '\n' instead of '\a'.

This avoids a SAX/boto interaction bug that is not of much interest,
yet still seems "evil" enough that it fulfills the original intent
of the test.

Add a link to the relevant bug report.

robbat2/s3-tests,dreamhost/s3-tests,Nexenta/s3-tests,Intel-bigdata/s3-tests,basho/s3-tests,smithfarm/s3-tests,timuralp/s3-tests,andrewgaul/s3-tests,Nexenta/s3-tests,jmunhoz/s3-tests,Intel-bigdata/s3-tests,Nexenta/s3-tests,dreamhost/s3-tests,Nexenta/s3-tests,ceph/s3-tests,smithfarm/s3-tests,SUSE/s3-tests,andrewgaul/s3-tests,ceph/s3-tests,piousbox/s3-tests,piousbox/s3-tests,tobegit3hub/s3-tests,robbat2/s3-tests,timuralp/s3-tests,SUSE/s3-tests,basho/s3-tests,jmunhoz/s3-tests,tobegit3hub/s3-tests,piousbox/s3-tests