Fix order of arguments passed to Promise.delay
Fix order of arguments passed to Promise.delay

The example doesn't work because `Promise.delay` takes `ms` milliseconds as the first argument.
This small change makes the example work again.
BridgeAR/bluebird,BridgeAR/bluebird,petkaantonov/bluebird,petkaantonov/bluebird,HBOCodeLabs/bluebird,petkaantonov/bluebird,BridgeAR/bluebird,HBOCodeLabs/bluebird,HBOCodeLabs/bluebird