Rename Kernel to Foundation.

Signed-off-by: crynobone <crynobone@gmail.com>
Update work in progress changelog.

Signed-off-by: crynobone <crynobone@gmail.com>
Rename $kernel to $foundation.

Signed-off-by: crynobone <crynobone@gmail.com>
Rename SiteServiceProvider to SupportServiceProvider.

Signed-off-by: crynobone <crynobone@gmail.com>