Fix formatting of debian/control and make debian directory lowercase

I fixed the debian/control file formatting, including adding a source section. I wasn't sure what was a build-depend vs a depend, so I left the build-depend blank for you to fill in. For example, obviously build-essential, g++, and lintian would be build-depends instead of depends.

I renamed the debian directory to lowercase, because tools expect the debian directory to be lowercase. I also added the changelog to the debian directory, because that will make things easier in the future. We are probably going to need to have separate debian and ubuntu directories under installers (and probably one ubuntu directory for each release of ubuntu), because the release name is part of the changelog.