Use new manifest format

Simplifies and consolidates gulp tasks

Adds a --production flag to disable source maps

Uses pleeease.io for css optimization

package.json

@@ -24,21 +24,19 @@
     "node": ">= 0.10.0"
   },
   "devDependencies": {
-    "asset-builder": "0.0.1",
-    "autoprefixer-core": "4.0.1",
-    "csswring": "^2.0.0",
-    "del": "^0.1.3",
+    "asset-builder": "~0.3.0",
+    "del": "^1.1.1",
     "gulp": "^3.8.10",
     "gulp-concat": "^2.3.4",
     "gulp-flatten": "0.0.4",
     "gulp-if": "^1.2.5",
     "gulp-imagemin": "^2.0.0",
     "gulp-jshint": "^1.8.4",
-    "gulp-less": "^1.3.3",
-    "gulp-livereload": "^2.1.0",
-    "gulp-load-plugins": "^0.7.1",
+    "gulp-less": "^2.0.1",
+    "gulp-livereload": "^3.4.0",
+    "gulp-load-plugins": "^0.8.0",
+    "gulp-pleeease": "^1.1.0",
     "gulp-plumber": "^0.6.3",
-    "gulp-postcss": "^3.0.0",
     "gulp-rename": "^1.2.0",
     "gulp-rev": "^2.0.1",
     "gulp-sass": "^1.2.4",
@@ -48,9 +46,9 @@
     "jshint-stylish": "^1.0.0",
     "lazypipe": "^0.2.2",
     "lodash": "^2.4.1",
-    "main-bower-files": "^2.4.0",
-    "object-path": "^0.8.0",
+    "merge-stream": "^0.1.7",
     "traverse": "^0.6.6",
-    "wiredep": "^2.1.0"
+    "wiredep": "^2.1.0",
+    "yargs": "^1.3.3"
   }
 }