Backporting "terminate if not responding" patches from 4.6 to 4.4.3

[Brian J. Tarricone]

Jayson King wrote:
> Greetings,
> I posted a bug on Fedora's bugzilla with a backported patch to add the 
> "terminate if not responding" dialog patches from the 4.6 beta to the 
> latest stable 4.4.3. If it is considered worthwhile to have this 
> capability in the latest stable version, then please use it.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=471197
> 
> The patch is for the "release" package so it touches configure.ac and 
> Makefile.in files, which you probably don't want. (configure.ac.in isn't 
> in the release package so it isn't in the patch, but it needs a change 
> too). I'll post a more suitable patch here.

Distro packagers may find this useful, but for mainline, or policy is 
for no new features to be added to the stable branch.

	-brian