[vissuite] Added label for node types

                                <li><label class="checkbox-inline"><input type="checkbox" ng-model="vissettings.physicsEnabled" ng-change="togglePhysics();"> Enable physics</label></li>

                                <li><label class="checkbox-inline"><input type="checkbox" ng-model="vissettings.networkLocked" ng-change="toggleNetworkLock();"> Lock network</label></li>

                                <hr class="style-one" />

                                <li><b>Node types</b>:</li>

                                <li ng-repeat="(k,v) in node_shape_mapping"><div class="circle-container wrap"><b>{{k}} (count: {{node_type_to_counts[k] || 0 }})</b>: {{v}} <span class="circle" ng-style="{'background-color':node_color_mapping[k].background}"></span> <button class="btn btn-xs btn-primary" ng-click="highlightNodeType(k)">highlight</button>  <button ng-if="k=='Description'" class="btn btn-xs btn-danger" ng-click="dropDescriptionNodes()">drop</button></div></li>

                                <hr class="style-one" />

                                <li>Minimum count of connections for persons: