Added directory for custom setup commands.
Added launcher section to config file.
Moved commands into wmtexe folder.
Divided slave module into slave and task modules.
Added formatting module.
Added launcher module with qsub, bash launchers.
Added config module for site configuration.
Added audit module to check run environments.
Use a default configuration if none is found.
Cleaned up.
Cleaned up.
Added new commands.
Added cmd submodule for commands.
Removed unused build_py module.
Added --with-wmt-slave command line option.