Minor package fixes

Closes #863

gulpfile.js

@@ -8,6 +8,7 @@ var http = require('http');
 var livereload = require('gulp-livereload');
 var st = require('st');
 var less = require('gulp-less');
+var del = require('del');
 var runSequence = require('run-sequence');
 
 // The generated file is being created at src
@@ -240,7 +241,7 @@ gulp.task('server', function(done) {
 });
 
 gulp.task('clean', function() {
-  return gulp.src(['dist/*', 'app/js/templates.js', 'app/css/*', '!dist/.git']).pipe($.clean());
+  return del(['dist/*', 'app/js/templates.js', 'app/css/*', '!dist/.git']);
 });
 
 gulp.task('bump', ['update-version-manifests', 'update-version-config'], function () {

package.json

@@ -41,13 +41,13 @@
   ],
   "homepage": "http://zhukov.github.io/webogram",
   "devDependencies": {
+    "del": "^1.2.0",
     "event-stream": "^3.1.0",
-    "gulp": "~3.5.5",
+    "gulp": "^3.9.0",
     "gulp-angular-templatecache": "^1.1.0",
-    "gulp-clean": "^0.2.4",
     "gulp-concat": "^2.1.7",
     "gulp-grep-stream": "0.0.2",
-    "gulp-imagemin": "^0.1.5",
+    "gulp-imagemin": "^2.3.0",
     "gulp-less": "^3.0.2",
     "gulp-livereload": "^3.0.2",
     "gulp-load-plugins": "^0.4.0",