Fixed a bug that prevented the modification of website settings of a site that the user created.

- The home directory of a shell user gets deleted when the user is deleted.

Fixed a bug that prevented the restarting of services when the install is finished.

Added warnings that support for Fedora, Centos and OpenSuSE is experimental only to the installation instructions.

Fixed a bug in ssh user plugin which resulted in a change of the shell to /bin/bash when a user was updated even when jailkit was enabled.