Implemented pre/post commands and --build=ddox + support "sourceFiles". ...

Other fixes:
 - fixed class Dub to work with other path than cwd
 - "files" has been deprecated in favor of "sourceFiles"
 - --build=docs also works now
 - Changed the way build flags are parsed (instead of checking every possible field for existence, all fields are iterated and their name is matched)

Fixed optimize and symdebug flag for visualD, supports unittest configuration.

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

Another round of replacing invalid uses of to!string(Path) with Path.toNativeString().

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

Added rudimentary support for the --arch= option and moved build type flag generation to a common place.

Fixed up the VisualD and Mono-D generators and changed their names on the command line to lower-case.

"dub build" and "dub run" are now also executed using the generator system (RdmdGenerator).

Implemented basic multi-compiler support (with only a dmd implementation right now).

Handling missing package.json more gracefully (without a crash) + some trace log messages.

Fixed 64-bit compilation error.

Compile fix.

Multiple projects created with VisualD. This assumes, that every dependend project will be build as a static .lib.

VisualD projects have some nice folders, added (string)importPath and dflags support.

Dub builds with VisualD with latest vibe. BuildPlatform is passed from app.d to the generators. System libraries are suffixed with '.lib' for VisualD.

Path fixes in the VisualD generator.

Renamed Application to Project and put it into its own module + added a stub MonoD generator.

Changed the top level source folder to have the name of the root package in the VisualD generator.

Using join preperation for string imports.

System libraries and additional link files are used for project generation. A postbuild copy-files command is needed in order to build successfully.

Fixed startup.

More resolved conflicts, replaced usage of PackageStore with PackageManager.

this flag might help debugging

Creation with a single project file. Debugging does not work, though...

Incomplete generation of VisualD project files. Missing: project dependencies being compilable libraries and precompiled libraries as well as system installed precompiled libraries.

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