Rewriting database interface properly

- Removed old database.cc/h and starting from scratch in db.cc/h
- Added my usual heading to each file
Some progress to db object rewrite

It does not work quite yet, it seems to have a problem with a vector
of type Glib::ustring. Perhaps just use Std::string instead?
Merge pull request #1 from chandwer/db_rewrite

Database Rewrite