Update sacct man page description of job states.
Correct select/linear and bluegene resv API

The select_p_resv_test() functions for the select/linear and
select/bluegene plugins were not updated for specifying core
counts per node. The additional argument was not used, but
now the functions are consistent across all of the select
plugins.
Merge branch 'slurm-2.6'

Conflicts:
	src/plugins/select/bluegene/select_bluegene.c
	src/plugins/select/linear/select_linear.c