Add qsub support for some more options:

-l accelerator=true|false	(GPU use)
-l mpiprocs=#	(processors per node)
-l naccelerators=#	(GPU count)
-l select=#		(node count)
-l ncpus=#		(task count)
-v key=value	(environment variable)
-W umask=#		(set job's umask)
Note: the -v option does NOT support quoted commas.