add wiredep support.

I'm a noob with gulp and all this fancy stuff.

I released wiredep 1.1.0 with stream (?) support: https://github.com/stephenplusplus/wiredep/commit/37b9850088a9ecbb86e2cefb6232ac4e8707469a

I tested this, and it works. So, please, smart people test now :)