plugin loader breakage from blackberry 10 merge into cordova js

[Steven Gill]

Hey All,

The BB10 stuff got merged into cordova.js. The following commit breaks
plugin_loader for ios + android.
https://github.com/apache/cordova-js/commit/8d59461c6f796f2c88a0eae2467cc663897ccce9.
I am going to remove the slash for now.

-Steve