for RR sim's pending-job lists.
Erasing head of vector is slow.
- lib: allow GPU peak FLOPS to be specified in XML (for simulator)
- simulator work
- client: old work fetch policy: projects may need enough jobs
for all device instances, not just resource_share*ninst.
E.g. a project that has only CPU jobs in a CPU/GPU client
- client: with REC scheduling, don't ask for work for
secondary resources if project has negative priority.
- client: in RR sim, make sure we saturate devices if possible.
Otherwise we may report a shortfall incorrectly
svn path=/trunk/boinc/; revision=22894