Adding basic support for expressjs multer, mockery, mocha, mongoose-mock, and proxyquire

Adding simple support for expressjs' multer https://github.com/expressjs/multer
It is Mocha. I had thought that would conflict with the interface declared above, but it doesn't. I've changed it to ```Mocha```. The only documentation I can found on it is at https://github.com/mochajs/mocha/wiki/Using-mocha-programmatically