DUB 0.9.13 released

[Sönke Ludwig]

Changes:

 - Support for a new "buildRequirements" field to be able to specify
   things like "Don't treat warnings as errors" or "Allow use of
   deprecated features"

 - A lot of improvements to the VisualD project generator

 - Some important bug fixes


Change log:
  https://github.com/rejectedsoftware/dub/blob/master/CHANGELOG.md

Download:
  http://registry.vibed.org/download