WIP - Webservice Interface
Refactoring. Added Webservice interface stub. More changes to come.
Refactoring + implementation of basic fetcher/poster processors.

Adding to database will no work because 1) hsqldb doesn't have full
schema, 2) not all mappings are completed in mybatis. I'll get to that
tomorrow.

There's tons of things to refactor, but hey, it's only me working in spare
time ;-)