Refactor to get rid of most of the (now useless since we use the XML) database stuff
* Tidied up a lot of stuff.
* Add Constants class for..well, constants :)
* Change all the URLs and filenames to constants
* Moved all the files into locations under ~/.rfcReader
* Make sure the ~/.rfcReader hierarchy exists anywhere we're going to try writing to it
* Move index xml and xsd into a resources directory to avoid cluttering up the project base dir