Make dub part of the standard dmd distribution

[via Digitalmars-d]

Since this thread seems to have turned into a wishlist for dub 
features, I'm going to add one:

Undeprecate dependencies on git branches. They are really not 
different from dependencies with fuzzy "~>" versions. For both, 
the exact selected version can be stored in dub.selections.json.

Use case:
Making a fix to a third-party project and sharing that fix with 
other team members. Having to create a temporary project on 
code.dlang.org just for that purpose is both a waste of time for 
developers and a waste of resources of community infrastructure.