A bunch of changes

- Some pretty large changes to the docs
  - Added a heading for example plans
  - I haven't included the following in this PR, but I propose we get rid of most or all of the examples/ directory. There's already duplication between the generated files and readme.md, and examples/ adds a third area of duplication. For a new user trying to learn about this project, I think the best experience is to just look at the readme to get a list of examples, and then use the generator which should pretty much mirror what's in the readme
- Improves the way we send config to Pony. This change makes SMTP sending work
- Adds a .gitignore to the generator to ignore pid/ and log/