[dmd-beta] Time for a new beta

[Nick Sabalausky]

From: "Walter Bright" <walter at digitalmars.com>
> But first we have several new regressions to deal with:
>
> http://d.puremagic.com/issues/buglist.cgi?query_format=advanced&bug_severity=regression&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED

This should probably get in there, too:

https://github.com/D-Programming-Language/tools/pull/24