Based on recent changes in Nova, this provides a cleaner/simpler looking config file:
- Move help message before each option, rather than after.
- Print types like "string value" instead of "(StrOpt)"
- Use fewer pound symbols
Switch to a new format that looks much more like a normal config file.
Change-Id: I69f9b7b84215a2a69bdb0c4af9d5e1cb1e105a45
5e31dc7982