avoid breaking running gulp task when script compilation fails, closes #11

Author: maxklenk

package.json

@@ -52,6 +52,7 @@
     "gulp-ng-annotate": "^1.0.0",
     "gulp-ng-constant": "^0.3.0",
     "gulp-ng-html2js": "^0.2.0",
+    "gulp-plumber": "^1.0.1",
     "gulp-preprocess": "^1.2.0",
     "gulp-rev": "^5.0.1",
     "gulp-rev-replace": "^0.4.2",

tasks/scripts.js

@@ -10,6 +10,7 @@ var sourceMaps = require('gulp-sourcemaps'),
   gulpif = require('gulp-if'),
   rev = require('gulp-rev'),
   uglify = require('gulp-uglify'),
+  plumber = require('gulp-plumber'),
   mergeStream = require('merge-stream');
 
 var scriptsFile = 'scripts.js';
@@ -48,6 +49,7 @@ module.exports = function(gulp, tasks, config) {
     }
 
     return scripts
+      .pipe(plumber())
       .pipe(sourceMaps.init())
       .pipe(ngAnnotate())
       .pipe(ngFilesort())