Updated documentation related to Alex's recent job launch fixes.

Signed-off-by: Anna Wojtowicz <wojtowicza@ornl.gov>
Merge branch 'master' of https://github.com/eclipse/ice

Conflicts:
	src/org.eclipse.ice.item/src/org/eclipse/ice/item/jobLauncher/JobLauncher.java


Signed-off-by: Anna Wojtowicz <wojtowicza@ornl.gov>