[packagekit] Dynamic Groups in Packagekit

[Bill Nottingham]

Tim Lauridsen (tim.lauridsen at googlemail.com) said: 
> just reading a long heated debate on fedora-devel about yum 
> categories/group vs groups in PackageKit. Cutting away the flaming to 
> get some constructive points IMHO.
> 
> 1. the categories/groups used in the installer is different than the one 
>     defined in packagekit, that is confusing for the user.
> 
> 2. the packagekit groups are hardcoded, so the distro has no way to add 
> special groups, important to the distro.
> 
> The reasons that current pk groups are hardcoded are:
> * limit the number of groups
> * add specific icons to the groups
> * translate the group names.

FWIW, in Fedora/RHEL/etc:

- there are translations in the metadata itself
- we use a mapping from the yum group ids to icons that the backend can use as well

Bill