Drop default Cray MessageTimeout to 10 sec

This matches the value in version 14.03
Fix variable name typo in test

Returned test passed, when it should have failed because of bad
variable name.
Fix test if "partition" not defined in globals

Use default_partition by default for the test
Merge branch 'slurm-14.03' into slurm-14.11

Conflicts:
	testsuite/expect/test2.18
Merge branch 'slurm-14.11'