
  - Reset the speedo scale, average and peak value when resetting the dialog for a new query
  - Do not show the total-sessions-in-the-cluster graph when no other session is active


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@31250 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root