Bower install needs to build Sinon

[goblindegook]

A pre-built Sinon isn't fetched by Bower, we will need to build it ourselves.

In the meantime, do the following as a workaround, starting at the B3 project root:

$ cd bower_components/sinon
$ gem install juicer
$ npm install formatio
$ ./build
$ cd ../..
$ gulp bower

[goblindegook]

Now that I think about it, why are we even getting Sinon from Bower? Most of our dev dependencies are npm modules.

[pcruz7]

The real question here is: why are we using bower? :P