message: clear the output for "install" if the setting dictates
diff: @@ -746,9 +746,9 @@ class ExtensionManager implements vscode.Disposable {
  return false;
  }
  - install(folder?: vscode.WorkspaceFolder) { return this.mapCMakeToolsFolder(cmt => cmt.install(), folder); }
  + install(folder?: vscode.WorkspaceFolder) { return this.mapCMakeToolsFolder(cmt => cmt.install(), folder, true); }
  - installAll() { return this.mapCMakeToolsAll(cmt => cmt.install()); }
  + installAll() { return this.mapCMakeToolsAll(cmt => cmt.install(), true); }
  editCache(folder: vscode.WorkspaceFolder) { return this.mapCMakeToolsFolder(cmt => cmt.editCache(), folder); }
  