Investigate & implement a solution for dummy app generation for testing generators etc

[mbarnett]

After chatting w/ Shane, most likely solutions to use which need to be investigated are:

https://github.com/stevehodgkiss/generator_spec https://github.com/alexrothenberg/ammeter And Rails::Generators::TestCase

Things we talked about but are less keen on:

https://github.com/cbeer/engine_cart https://github.com/pat/combustion