It seems that the examples in the jobs_conf.xml file incorrectly defines the DRMAA runner as
galaxy.jobs.runners.drmaa:DRMAARunner
which should be
galaxy.jobs.runners.drmaa:DRMAAJobRunner
It's really unhelpful if a major change to the way things are run contains these kinds of issues/bugs in the examples, since there is not much on the wikki pages on what are the pre-defined runners......
I had to dig down in the code to figure out the DRMAA runners name...
Hope this helps others getting DRMAA to run in Galaxy after this major update...
Thon