Fixes #1356 Delete post dialog has too big button padding

Delete post dialog has too big button padding.
Changed to 6px
Fixes #1346 Indexes SQL errors
Merge pull request #1360 from Stefan-ST/fix-1346

Fixes #1346 Indexes SQL errors
fixlistsc
Fix #1367

Portal latest threads doesn't select replies and views
https://github.com/mybb/mybb/issues/1367
Fixes #1374
Fix #1377

Missing forum name in email subject.
https://github.com/mybb/mybb/issues/1377
Fixes #1385 functions_modcp - var not an array
Revert "Fixes #1385 functions_modcp - var not an array"

This reverts commit 38d0a22b0f09e1cd36e2a66b3f768a2447fd4451.
Fixes #1369 Empty edit reason field added to post by JavaScript.
Fix #1398

Missing template in $templatelist.
https://github.com/mybb/mybb/issues/1398
Fix #1400

Changed "Find all" to "Display all". Also modified other dropdown
options for consistency.
https://github.com/mybb/mybb/issues/1400
Fix #1402

is -> are in awaiting_message_plural. Also removed redundant 's' in
awaiting_message_single.
https://github.com/mybb/mybb/issues/1402
Added missing that for consistency

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Merge pull request #1403 from Destroy666x/fix1402

Fix #1402
Fix #1405

Wrong function used for generating forum link.
https://github.com/mybb/mybb/issues/1405
Fixes #1406 - ModCP Ban bug

Fixes https://github.com/mybb/mybb/issues/1406
Fix #1404 - Spinner
Fix #1324 - Add error message for empty attachments
Revert "Fix #1324 - Add error message for empty attachments"

This reverts commit f455ef468a951301afb3c2cdb6f64e00ff2d5654.