Fixes #1392 Move post(s) mod tool not changing 'new' thread's starter
Fix 1493
Remove debug
Changes
fixquoteie11
Fixes #1529 Moderators can't view IP addresses
Fix #1385

Get rid of the warnings by checking if the array is empty first.

https://github.com/mybb/mybb/issues/1385
Removed redundant code in moderation.php
For #1529; the issupermod check isn't needed since is_moderator already checks if mod is a super mod.
Merge pull request #1528 from martec/fixquoteie11

Fix #1391 - IE - reply getting erased when quoting someone
Merge pull request #1530 from PaulBender/fix-1529

Fixes #1529 Moderators can't view IP addresses
Merge pull request #1531 from Destroy666x/fix1385

Fix #1385
Fixes #1532 Thumbnails allow empty atachment dl
Merge pull request #1533 from PirataNervo/fix-1532

Fixes #1532 Thumbnails allow empty atachment dl
Update Docs link for CONTRIBUTING.md
Merge pull request #1505 from Stefan-ST/fix-1392

Fixes #1392 Move post(s) mod tool not changing 'new' thread's starter
Fixes #1392 Move post(s) mod tool not changing 'new' thread's starter
Fixes #1392 Move post(s) mod tool not changing 'new' thread's starter
Merge pull request #1535 from ATofighi/patch-4

Update Docs link in CONTRIBUTING.md
Merge pull request #1536 from Stefan-ST/fix-1392

Fixes #1392 Move post(s) mod tool not changing 'new' thread's starter
Preparing 1.8.1