Update documentation
CRAY - Add empty task plugin for future use.
Cray - add empty switch plugin for future use
Move select/cray to select/alps
Change HAVE_CRAY* to HAVE_ALPS_CRAY*
Add new option for SelectTypeParamters other_cons_res.
Add missing cray Makefile.in
Add "slurmd_task_info_t *task" to task_port_term in task/cray plugin