[Bug 60615] split out gconf bindings

[Jani Monoses]

Public bug reported:

Gconf is used by several python programs (gnome-app-install, update-manager, onboard)
Even if they do not use other gnome libraries besides gtk, these are brought in because the python bindings are all in a single package. This affects CD space and bandwidth for
people willing to install such app in non-gnome environments.
It is more logical to have separate packages for .so-s which do not depend on eachother.
It can be done step by step, so this patch only separates gconf. Bug 30173 is related and
could be solved if this one goes well.

** Affects: gnome-python (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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split out gconf bindings
https://launchpad.net/bugs/60615