1) Two new functions to trust passwords interface in passdb:

1) Two new functions to trust passwords interface in passdb:
   settrustpwent, gettrustpwnam

2) Implementation of another couple of these functions in tdbsam:
   settrustpwent, gettrustpwnam, gettrustpwsid

3) Testing (mostly for now) usage of the interface in pdbedit
   which is soon to be offline tool back again.

This is quite a new code, so many changes will be put in soon.

rafal
(This used to be commit 2ed23fbce846f9710747d72aa98c20d54894d61e)