Adding some steps on how to get it running on your own machine.

I've only mentioned the problems I ran into, and I don't yet know enough
EF to diagnose the warnings I got when running Update-Database. But it'll
hopefully be enough information to get other people up and running (and maybe
expanding the 'getting started' info)
Merge pull request #117 from WilkaH/AddingGettingStartedInfo

Adding some steps on how to get it running on your own machine.