Karnaf v5.0.16

Changes:

• Let opers choose the assigned group for new tickets they open.
• Added KARNAF_EDITORS_GROUP support (members of this group can see tickets of other groups as long as they're not private).
• Updated KARNAF_VERSION to 5.0.16.
• Removed php/karnaf/main.php (it was replaced by mylist.php long time ago).
• Added set_private feature to groups: Automatically set tickets as private if they're assigned to a group with set_private enabled.
• Made fetch-emails.php use the mail account's default group if one is defined.
• Changed scheduler.php to cast the schema's version as unsigned.
• Added is_private checks to edit_actions.php, edit_replies.php, edit_ticketinfo.php, edit_userinfo.php, edit_sms.php and edit_reassign.php.
• Added KARNAF_AOB_GROUP definition for dalnet-aob (members of the group can add special actions to tickets).
• Fixed a few mng_editsql.php bugs (used id instead of name).
• Let admins manage the groups table via mng_editsql.php.
• Added ktools-custom.php require to ktools.php and added an empty ktools-custom.php file.
• Added api_create_or_update_ticket() function to ktools to either create or update an existing ticket.
• Added custom_scheduler_post_actions() support to scheduler.php.
• Added status!=5 to the operators filter on list.php.
• Don't show the pseudo group (PSEUDO_GROUP) to non-editors on mylist.php.

-Kobi.