Document improvements to LabelStatements
Do https://github.com/D-Programming-Language/dlang.org/pull/271 in small steps
Merge pull request #459 from andralex/style.css

Do https://github.com/D-Programming-Language/dlang.org/pull/271 in small...
Merge pull request #457 from yebblies/labelstatement

Document improvements to LabelStatements
Merge pull request #460 from 9rnsr/grammar

Issue 10206 - User-defined attributes not documented well in language specification
use GIT_HOME to fetch tags
separate and reuse targets to clone dmd/druntime/phobos
use hyphen instead of dot for version suffix

.${LATEST} => -${LATEST}

- This matches the versioning scheme used by others
  (github, rpm spec, ...) and simplifies interop.
only perform checkout in git repos

- check for existence of .git subdir first
Fix TDNW macro broken by added comment

ddoc files don't support comments currently.
Merge pull request #461 from eco/patch-13

Fix TDNW macro broken by added comment
use /.cloned target for git cloning/checkout
Merge pull request #422 from MartinNowak/fix11579

[install] fix Issue 11579 - dlang.org repo can't be built without git
Use $(D ) for various D code highlighting rather than $(B )