Delete user improvement

Improves the method for use deletion.
Addressing #425 for Feature again

. . . where deleted users' reports were not labeled
correctly.
Amending 952a905 for #425 for Feature

. . . where deleted users reports were unlabelled in 'View All Reports'.
WIP #428
WIP #428 Selectable areas for group/forum settings

Cleans settings.php
WIP #428 Selectable areas for group/forum settings

I forgot the obvious ones :P
WIP #428 Selectable areas for group/forum settings.

Updates the upgrade script for post merge settings.
WIP #428 Selectable areas for group/forum settings.
Fixes #517 'emailpmnotify' causes SQL error
Feature #443 Are You a Human CAPTCHA
Adds SCEditor To ACP Edit Sig

working toward #251
Fixes #630
WIP #428 Selectable areas for group/forum settings.

Updates option code.
Fixes #478
Merge remote-tracking branch 'upstream/feature' into wip-428

Conflicts:
	inc/languages/english/admin/global.lang.php
	portal.php
Minor improvements
Merge pull request #634 from ATofighi/fixes-478-2

Fixes #478 - Quick Edit with empty textarea
Removed newlines at end of files
Working on #599 Split upgrade routine
language typo