Update misc/py-anita to 1.33.  Changes from 1.32:

Support recent versions of sysinst (CVS date 2014.08.03.16.09.38 or
newer), where set selection happens after disk partitioning rather
than before.

Document qemu 2.0.0nb4 as a known working version.

New command line option --structured-log.
Updated misc/py-anita to 1.33