better documentation on how to get to a link in a man page

doc/man/man1/salloc.1

@@ -492,7 +492,8 @@ method (before the ":") controls the distribution of resources across
 nodes. The optional second distribution method (after the ":")
 controls the distribution of resources across sockets within a node.
 Note that with select/cons_res, the number of cpus allocated on each
-socket and node may be different. Refer to the mc_support.html document
+socket and node may be different. Refer to
+http://www.schedmd.com/slurmdocs/mc_support.html
 for more information on resource allocation, assignment of tasks to
 nodes, and binding of tasks to CPUs.
 .RS

doc/man/man1/sbatch.1

@@ -545,7 +545,8 @@ method (before the ":") controls the distribution of resources across
 nodes. The optional second distribution method (after the ":")
 controls the distribution of resources across sockets within a node.
 Note that with select/cons_res, the number of cpus allocated on each
-socket and node may be different. Refer to the mc_support.html document
+socket and node may be different. Refer to
+http://www.schedmd.com/slurmdocs/mc_support.html
 for more information on resource allocation, assignment of tasks to
 nodes, and binding of tasks to CPUs.
 .RS

doc/man/man1/srun.1

@@ -548,7 +548,8 @@ method (before the ":") controls the distribution of resources across
 nodes. The optional second distribution method (after the ":")
 controls the distribution of resources across sockets within a node.
 Note that with select/cons_res, the number of cpus allocated on each
-socket and node may be different. Refer to the mc_support.html document
+socket and node may be different. Refer to
+http://www.schedmd.com/slurmdocs/mc_support.html
 for more information on resource allocation, assignment of tasks to
 nodes, and binding of tasks to CPUs.
 .RS