Added mail module permissions.

interface/lib/classes/tform_actions.inc.php

interface/web/client/form/client.tform.php

interface/web/client/lib/lang/en_client.lng

interface/web/client/templates/client_edit_limits.htm

interface/web/mail/lib/lang/en_mail_alias.lng

interface/web/mail/lib/lang/en_mail_blacklist.lng

interface/web/mail/lib/lang/en_mail_domain.lng

interface/web/mail/lib/lang/en_mail_domain_catchall.lng

interface/web/mail/lib/lang/en_mail_forward.lng

interface/web/mail/lib/lang/en_mail_transport.lng

interface/web/mail/lib/lang/en_mail_whitelist.lng

interface/web/mail/mail_alias_edit.php

interface/web/mail/mail_blacklist_edit.php

interface/web/mail/mail_domain_catchall_edit.php

interface/web/mail/mail_domain_edit.php

interface/web/mail/mail_forward_edit.php

interface/web/mail/mail_transport_edit.php

interface/web/mail/mail_user_edit.php

interface/web/mail/mail_whitelist_edit.php

interface/web/mail/spamfilter_blacklist_edit.php