Remove disparity between dev and prod gulp tasks

removes `gulp dev` in favor of `gulp`

adds `gulp --rev` to produce revved asset manifest

adds `gulp --tasks` to the readme

removes postinstall script
removes bower dep

package.json

@@ -16,15 +16,12 @@
       "url": "http://opensource.org/licenses/MIT"
     }
   ],
-  "scripts": {
-    "postinstall": "node node_modules/bower/bin/bower install && gulp dev"
-  },
+  "scripts": {},
   "engines": {
     "node": ">= 0.10.0"
   },
   "devDependencies": {
-    "bower": ">=1.3.9",
-    "gulp": "^3.8.7",
+    "gulp": "^3.8.10",
     "gulp-autoprefixer": "^0.0.7",
     "gulp-clean": "^0.3.1",
     "gulp-concat": "^2.3.4",
@@ -42,8 +39,8 @@
     "gulp-sourcemaps": "^1.1.1",
     "gulp-uglify": "^0.3.1",
     "imagemin-pngcrush": "^1.0.0",
-    "jshint-stylish": "^0.4.0",
     "jquery": "1.11.1",
+    "jshint-stylish": "^0.4.0",
     "lodash": "^2.4.1",
     "main-bower-files": "^1.0.1"
   }