feat(): ensure child spawned processes for npm run print colors.

lib/cli.js

@@ -316,30 +316,27 @@ Cli.runWithNpmScripts = function runWithNpmScripts(argv, taskInstance, rawCliArg
 
 Cli.runNpmHook = function runNpmHook(hook) {
   var cmd = 'npm';
-  var args = ['run', hook];
+  var args = ['run', hook, '--color'];
   var command = cmd + ' ' + args;
 
   var q = Q.defer();
   var spawn = require('cross-spawn-async');
 
-  var spawned = spawn('npm', args);
+  var spawned = spawn('npm', args, { stdio: ['pipe', 'pipe', process.stderr] });
   spawned.on('error', function(err) {
     log.error('Unable to run spawn command ' + err);
   });
+  spawned.stdout.pipe(process.stdout);
   spawned.stdout.on('data', function(data) {
     var dataLines = data.toString().split('\n');
     for (var i = 0; i < dataLines.length; i++) {
       if (dataLines[i].length) {
-        log.info(dataLines[i]);
         if (dataLines[i].indexOf('watch ready') > -1) {
           return q.resolve();
         }
       }
     }
   });
-  spawned.stderr.on('data', function(data) {
-    log.info(data.toString());
-  });
   spawned.on('exit', function(code) {
     log.debug('Spawn command', command, 'completed');
     if (code !== 0) {