Rename log levels to be in line with the latest vibe.d versions.

Metadata requests are now also setting a User-Agent header.

Move download() to dub.utils and remove dub.internal.vibecompat.inet.urltransfer.

Move all source files outside of "dub" to "dub/internal".

Prepare for multiple registry support, update stdx.process and make env vars available to custom commands. ...

See also #22.

Renamed all the "vibe" package to "vibecompat" to avoid conflicts.

Compile fix for DMD <2.062.

Disabled curl peer verification and fixed writing of binary data to files. Works on Windows and OS X now.

Fixed downloading of files.

Removed the vibe.d dependency by dragging in a minimal set of interfaces of vibe.d ...

The interfaces are reimplemented using standard Phobos functionality. Calls to
these interfaces will be gradually replaced by direct Phobos calls.

Improved error message.

Changed to download URL to the new scheme (using a redirect to the right URL instead of a fixed JSON field).

Fixed a log message.

Various additions and fixes. ...

- Added build types "plain" and "docs"
 - Added a build field "files" for package.json
 - Fixed some possible causes for InvalidMemoryOperationErrors.
 - Build options can now be of the form "dflags-x86" and "dflags-x86-dmd"

Added partial support for build configurations and added some diagnostic command line flags.

Compiles using latest vibe.d and DMD 2.061.

Initial commit (more or less the same code as used for vibe.d's vpm).