What's new:
-----------

- Introduce reading passwd/group entries directly from SAM/AD, thus allowing
  to do without /etc/passwd and /etc/group files.  Introduce /etc/nsswitch.conf
  file to configure passwd/group handling.


What changed:
-------------


Bug Fixes
---------

- Don't catch STATUS_STACK_OVERFLOW preliminary on 64 bit.
  Fixes: https://cygwin.com/ml/cygwin/2014-07/msg00046.html