Beta release DUB 0.9.25-beta.3

[Sönke Ludwig via Digitalmars-d-announce]

Contains fixes for multiple issues resulting in "missing 
non-optional dependency" errors.

Download at http://code.dlang.org/download ("latest preview")
Beta-2 thread: 
https://forum.dlang.org/thread/nfpntb$kbl$1...@digitalmars.com