Additional phpdoc fixes
Implement console command for clearing the cache.
Fix namespace.
Lump service providers together.
Delete the service provider manifest when clearing the cache.
Actually delete the manifest file.
Changed cache stores to be implementors of a `StoreInterface` rather than extenders of a `Store` abstract class. Injected implementations into a `Cache\Repository` class.
Merge pull request #660 from franzliedke/feature/31-clear-cache-command

Artisan command "cache:clear"
Tweaking some things.