Release D 2.089.0

[Martin Nowak]

Glad to announce D 2.089.0, ♥ to the 44 contributors.

This release comes with corrected extern(C) mangling in mixin templates, 
atomicFetchAdd and atomicFetchSub in core.atomic, support for link 
driver arguments, better support of LDC in dub, and plenty of other bug 
fixes and improvements.

http://dlang.org/download.html
http://dlang.org/changelog/2.089.0.html

-Martin