extended the README.md [ci skip]

scripts/grunt-run-wait-stop.js

@@ -1,76 +0,0 @@
-var runningProcs = [];
-
-process.on('exit', function () {
-  _.each(runningProcs, function (proc) {
-    proc.kill();
-  });
-});
-
-grunt.task.registerMultiTask('run', 'used to start external processes (like servers)', function () {
-  var self = this;
-  var name = this.target;
-  var opts = this.options({
-    wait: true,
-    killOnError: true
-  });
-
-  console.log(opts);
-
-  var proc = child_process.spawn(
-    self.data.cmd,
-    self.data.args,
-    {
-      stdio: ['ignore', 'pipe', 'pipe']
-    }
-  );
-
-  proc.stdout.on('data', grunt.log.write);
-
-  var done = this.async();
-
-  if (opts.killOnError) {
-    proc.stderr.on('data', function (chunk) {
-      grunt.log.error(chunk);
-      proc.kill();
-      self.ansyc()(new Error('Error output received'));
-      clearTimeout(timeoutId);
-    });
-  }
-
-  if (opts.wait) {
-    proc.on('close', function (exitCode) {
-      done(!exitCode);
-    });
-  } else {
-    grunt.config.set('stop.' + name + '._pid', proc.pid);
-    grunt.config.set('wait.' + name + '._pid', proc.pid);
-    runningProcs.push(proc);
-    var timeoutId = setTimeout(done, 1000);
-  }
-
-  proc.on('close', function (exitCode) {
-    var i;
-    if ((i = runningProcs.indexOf(proc)) !== -1) {
-      runningProcs.splice(i, 1);
-    }
-    grunt.log.debug('Process ' + name + ' closed.');
-  });
-});
-
-grunt.task.registerMultiTask('stop', 'stop a process started with "start" ' +
-  '(only works for tasks that use wait:false)', function () {
-  var pid = this.data._pid;
-  child_process.kill(pid);
-});
-
-grunt.task.registerMultiTask('wait', 'wait for a process to close ' +
-  '(only works for tasks that use wait:false)', function () {
-
-  var pid = this.data._pid;
-  var proc = _.find(runningProcs, { pid: pid });
-  if (proc) {
-    proc.on('close', this.async());
-  } else {
-    grunt.log.writeLn('process already closed');
-  }
-});