filterTreeContent = function (aNodes, aAllowedMembers) {
						return aNodes.filter(function (oNode) {
							if (oNode.hasOwnProperty('nodes')) {
								oNode.nodes = filterTreeContent(oNode.nodes, aAllowedMembers);
							}
							return !oNode.hasOwnProperty('visibility') || aAllowedMembers.indexOf(oNode.visibility.toLowerCase()) >= 0;
						});
					}
Called when the master list controller is instantiated. It sets up the event handling for the master/detail communication and other lifecycle tasks.
@public