message: Update cluster manager link
  Closes
diff: @@ -126,7 +126,7 @@ class MastheadToolbar_ extends React.Component {
  _onClusterManager(e) {
  e.preventDefault();
  - window.open('https://cloud.openshift.com', '_blank').opener = null;
  + window.open('https://cloud.openshift.com/clusters', '_blank').opener = null;
  }
  _onAboutModal(e) {
  @@ -192,7 +192,7 @@ class MastheadToolbar_ extends React.Component {
  if (flags[FLAGS.OPENSHIFT]) {
  actions.unshift({
  - label: 'Cluster Manager',
  + label: 'Multi-Cluster Manager',
  callback: this._onClusterManager,
  },{
  separator: true,
  @@ -257,7 +257,7 @@ class MastheadToolbar_ extends React.Component {
  isOpen={isApplicationLauncherDropdownOpen}
  dropdownItems={[
  <DropdownItem key="clustermanager" onClick={this._onClusterManager}>
  - Cluster Manager
  + Multi-Cluster Manager
  </DropdownItem>,
  ]}
  />
  