smaller allocation quarry example.
Raise an exception for running MPI tasks without an MPI launcher.
Merge branch 'devel' of github.com:radical-cybertools/radical.pilot into devel
load correct OpenMPI version for QUarry
Merge branch 'devel' of github.com-oleweidner:radical-cybertools/radical.pilot into devel
Better default queue for archer.
Merge branch 'devel' of github.com:radical-cybertools/radical.pilot into devel
Merge branch 'devel' into feature/staging