Add support form -marm/-mthumb switches to GdcCompiler.

Upgrade SDL lexer again to fix \r style line endings, too.

Upgrade SDLang-D lexer to fix Windows line count bug.

Partially fix shared library build for LDC and skip tests for LDC/GDC. ...

Both compilers are not yet ready for shared library builds out of the box.

Use -fPIC for shared libraries compiled with LDC/GDC, too.

Fix building dynamic libraries. Fixes #613.

Merge branch 'master' of github.com:D-Programming-Language/dub

Add getCommands() and CommonOptions to dub.commandline. ...

Allows dependent projects to query the available commands and command options.

Mention version for invalid root package dependencies.

Apply workaround for data corruption issue. Fixes #601. ...

This is a redo of pull #625 by bittwiddler1 without the immutable cast changes.

Remove immutable casts where possible for Path. See #625.

Mention build type, compiler and architecture in a single message. ...

See #621

Reintroduces the "Linking..." message.

Logging stripping: ...

- "FAIL" message is now a diagnostic
- Align various versions of the same message on

   Building configuration "%s", build "%s"...

for consistency.

- Remove messages like:

  Running DMD...
  Linking...
  Compiling using GDC...

No more "Error executing command %s:" message at top-level.

Change VisualD project generation logging. ...

- display the generate .sln filename which is usually the one you reach for after
- using the "solution" word instead of "project" since "projects" refers to parts of a solution in VS linguo.

Compile fix.

Add package recipe I/O module.

Fix unit test.

Add some additional assertions to Path for #601.

Improve error message for invalid platform specifications. ...

Actually this enforcement could be an assertion instead, as there should be no way to trigger it from the outside...

Fix handling of "platform" attributes in the SDL parser.

Fix naming convention of FileMode enum. ...

Also some minor code style fixes.

Merge pull request #617 from p0nce/master ...

Remove "_d suffix for "debug" builds in VisualD generated project files.

Show warnings and errors for "dub describe" (on stderr).

Add dependency link targets for *all* targets in "dub describe".

Output targets in topological order for "dub describe". ...

Also avoids unspecified output orders and makes the output more readable.

Iterate the dependency graph in alphabetic order. ...

Avoids "random" ordering of elements breaking tests (in this case because DMD 2.068 changed the hash map algorithm).

Fix JSON unit test for 2.068.

Fix compilation and CI test on DMD 2.068-b1. Fixes #541.