Access control documentation: Create group and project

Contains short documentation on the 'Create group' and 'Create
project' capabilities with links back from the command pages.

Also includes a formatting fix in the 'Create account' capability.

Change-Id: Iff883cbbbd4368703d5372012c205e72083f4248
Signed-off-by: Fredrik Luthander <fredrik.luthander@sonymobile.com>
4 files changed