fix(harp): temporarily use PR commit for js fix (#2308)

Author: filipesilva

package.json

@@ -42,13 +42,13 @@
     "globby": "^4.0.0",
     "gulp": "^3.5.6",
     "gulp-env": "0.4.0",
-    "gulp-sass": "^2.3.2",
     "gulp-less": "^3.1.0",
+    "gulp-sass": "^2.3.2",
     "gulp-task-listing": "^1.0.1",
     "gulp-tslint": "^5.0.0",
     "gulp-util": "^3.0.6",
     "gulp-watch": "^4.3.4",
-    "harp": "0.21.0-pre.0",
+    "harp": "git://github.com/filipesilva/harp.git#8da8d3497ddbfcbcbadd8be63e0fd731d7310cc4",
     "html2jade": "^0.8.4",
     "indent-string": "^2.1.0",
     "jasmine-core": "^2.3.4",