Explicitly require net/http and net/https

[Nowaker]

This should go to the generated controller:

require 'net/http'
require 'net/https'

I had an error in Rails 3.2 without it - maybe these sources were automatically required in the previous versions.

[vysogot]

hey, can you fork and make a pull request? thanks for tip, soon I'm gonna be working on turning it to a active merchant gateway let me know if you want to collaborate. cheers!