Add flag to mpirun_rsh to export all environment variables to the executing
process. This allows us to specify additional ones from pre_exec without
hard-coding it in the agent.
Reinstitute outputting of processor name.
More correct error message regarding kernels.
Notes work better than brain (thanks Andre!).
Use APRUN for non-MPI tasks on BR2 too.
Use mpirun_rsh on trestles.
iterate on benchmarks and plots --now working again
Merge branch 'devel' of github.com:radical-cybertools/radical.pilot into devel
remove merge artefact
Merge branch 'master' into devel

Conflicts:
	src/radical/pilot/agent/radical-pilot-agent-multicore.py