first commit.
working on namespaces.
fix 'Illuminate\Filesystem' load

Fix Fatal error on Class 'Illuminate\Filesystem' not found in /vendor/laravel/framework/src/Illuminate/Workbench/Starter.php on line 16
preparing for subtree splits.
Merge branch 'master' of github.com:laravel/framework
swap components to dev-master temporarily while splitting.