Bug Fixes
---------

- Handle SIGHUP in pty master close.
  Addresses: https://cygwin.com/ml/cygwin/2015-06/msg00133.html
	     https://cygwin.com/ml/cygwin/2011-07/msg00295.html

- Avoid fetching /proc process info from non-Cygwin processes.
  Addresses: https://cygwin.com/ml/cygwin/2015-06/msg00133.html
	     https://cygwin.com/ml/cygwin/2015-05/msg00331.html
	     https://cygwin.com/ml/cygwin/2015-05/msg00314.html

- Fix installing newly added bind mounts with `mount -a'.
  Addresses: https://cygwin.com/ml/cygwin/2015-06/msg00150.html

- Add missing evaluation of /proc/$PID/{root,cwd,cmdline} for native processes.
  Addresses: https://cygwin.com/ml/cygwin/2015-06/msg00173.html