Fixes #1013 feature

https://github.com/mybb/mybb/issues/1013
Small intendation issue

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Just to shorten this monster a bit...

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Added username to log

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Fixes #1104 Activating user doesn't update the cache
Fixes #899 Custom Profile Fields option for dont show on registration not working
Fixes #1104 Activating user doesn't update the cache #1105
Fixes #1007 account awaiting activation bug
Fixes #1113 Misnamed/missing hooks in class_moderation.php
Preparing 1.6.15
Merge pull request #1107 from Sama34/fix-899

Fixes #899 Custom Profile Fields option for dont show on registration no...
Merge pull request #1105 from Sama34/fix-1104

Fixes #1104 Activating user doesn't update the cache
Merge pull request #1118 from PaulBender/fix-1113

Fixes #1113 Misnamed/missing hooks in class_moderation.php
Merge pull request #1099 from Destroy666x/fix1013f

Fix1013f