message: Looks up build task by metadata rather than name
diff: @@ -331,7 +331,7 @@ function getBuildTasks(tasksConfiguration: tasks.TaskConfiguration): tasks.TaskD
  function findBuildTask(tasksDescriptions: tasks.TaskDescription[]) {
  if (tasksDescriptions) {
  - const buildTask = tasksDescriptions.find(td => td.taskName === 'build');
  + const buildTask = tasksDescriptions.find(td => td.isBuildCommand);
  if (buildTask !== undefined) {
  result.push(buildTask);
  }
  