Rename manpage.sgml to password-gorilla.sgml
Bump up package standards

- standards-version
- compat
- debhelper build-depends
Update rules file to make fuller use of debhelpers

- Move file installation to 'install' file
  - exceptions handled in override_auto_build:
    - manpage must be created from sgml
    - icon files must be converted from gif (same name in target dirs, so tricky)
    - password-gorilla.sh needs to be renamed for /usr/bin
- Use 'project.manpages' file
- Get rid of redundant 'dirs' file
Add gitignore file
Get rid of README.source

This file contains outdated information since the package now uses
the quilt format.
Update project homepage in control file
Add missing build-depends deps on docbook-to-man, dpkg-dev
Add Depends dependency on tklib for the tooltip package
Add initial debian_package.sh script