The new debtcollector library was extracted from this
code and has now been released (and made available in
the requirements list) so we can go ahead and just use
it for most of the cases (minus the proxy moved class)
in our code-base to reduce the amount of custom code
we have to maintain to perform deprecation activities.
Change-Id: Ieeda6ffe282b67a1c1bb4f72e5858d22df0f30a0