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'.
Fixes #640 Login captcha has multiple errors
Fixes #629 Select from Buddies not working
Fixes #656
Merge pull request #657 from ATofighi/patch-20

Fixes #656
Don't show any other error message when the captcha wasn't solved
Merge pull request #641 from JN-Jones/fix-640

Fixes #640 Login captcha has multiple errors
Merge pull request #468 from WildcardSearch/featurefix-425

Addressing #425 for Feature again
Replaces old gif group images with new png images
Merge pull request #635 from dragonexpert/fix-623

Update recount_rebuild.php
Fixes #662
Fix mass-mail task hook.

Whoops! https://github.com/mybb/mybb/issues/555
Merge pull request #663 from ATofighi/patch-21

Fixes #662