fixes unc path error

Fix object directory for -op switch in the VisualD generator and prepare for different project file directories. ...

Future versions may choose to put the project files in the .dub directory (the solution file will still stay in the project's root directory).

Change the file dictionary to a file list for "dub describe"'s output.

Implement a first version of "dub describe".

Improve JSON pretty printing and appending.

Log warnings/errors/diagnostics to stderr instead of stdout.

Implement the "noDefaultFlags" build requirement. Fixes #68.

Write the "optional" field out as bool instead of string.

Add warning for package names with upper case letters, but handle them gracefully.

Preparing for the new std.process in Phobos.

Fix LDC linker flag specification and add workaround for conflicting object file names.

Use separate compile/link only for dmd (and not for ldmd and gdmd).

Use -d-debug instead of -debug for LDC.

Fix compilation with latest LDC.

Attempt to fix handling of "-Wl" flags returned by "pkg-config".

VisualD generator: Fix x64 builds and avoid building header only dependencies.

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

Compile fix for DMD 2.053 beta.

Not available optional dependencies are not wared upon.

Updating optional dependencies themselves, when they are available.

Fixing issues in getTopologicalPackageList and getPackageConfigs because of added "optional" flag for Dependencies.

Added "dub list-system" and "dub list-user".

Package updating could work with optional dependencies.

Added "optional" dependency flag.

Fix inclusion of debug information for the separate compile/link mode.

Fix the FILE* encapsulation hack in dub.internal.std.process. See also #62.

Add a notice that the target was not executed for "dub run" and library builds. ...

This was also added for the "rdmd" builder, even if that doesn't properly support library builds, yet.

Fix static library builds for all compilers. Partial fix for #53. ...

See also #66.

Merge pull request #66 from buggins/fix2 ...

DMD static library build fix

DMD static library build fix, attempt 2