use replace to redirect, and delay replace to fix NSURLErrorDomain

fixes #102
Seems lots of people have experienced this
https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=cordova+redirect+NSURLErrorDomain

The delay is pretty arbitrary. A simple run.later without a delay doesn't work.
So I bumped it up to where it did work, on my iPhone 6+. I'm not sure if device
performance plays a role in this so if you are still having problems, please
report it so we can up it.