Add Artem to the team

doc/html/team.shtml

@@ -149,6 +149,7 @@ Lead Slurm developers are:
 <li>Martin Perry (Bull)</li>
 <li>Dan Phung (Lawrence Livermore National Laboratory/Columbia University)</li>
 <li>Ashley Pittman (Quadrics, UK)</li>
+<li>Artem Polyakov</li>
 <li>Ludovic Prevost (NEC, France)</li>
 <br>
 <li>Vijay Ramasubramanian (University of Maryland)</li>