Bump intermediate version

This version skips the process callback if there are no files to process. Sass
errors if you try to call update on an empty directory -- we could handle that
here too, but with this version of intermediate it will be impossible to ever
get into that situation.

Author: Rob Wierzbowski

package.json

@@ -44,7 +44,7 @@
     "dargs": "^0.1.0",
     "each-async": "^0.1.3",
     "glob": "^4.0.2",
-    "gulp-intermediate": "3.0.0",
+    "gulp-intermediate": "3.0.1",
     "gulp-util": "^3.0.0",
     "slash": "^0.1.3",
     "win-spawn": "^2.0.0"