just a little adjustment for entry completions

Signed-off-by: Lehner Florian <dev@der-flo.net>
some generic flags for further use

Signed-off-by: Lehner Florian <dev@der-flo.net>
remove unused code

Signed-off-by: Lehner Florian <dev@der-flo.net>
use GtkTreeView for contacts list

Signed-off-by: Lehner Florian <dev@der-flo.net>
some further informations for the README

Signed-off-by: Lehner Florian <dev@der-flo.net>