Fixes #813 Notifications with wrong language

New notifications do not check language setting properly
Fixes #472 Profile and Reputation report issues ...

#472 Profile and Reputation report issues with unregistered users
Missing parameter
Missing condition in reputation reports pruning
Deleting reports made to users's posts/threads not working
Fixes #938 - Get more Smiles box bug
add forgotten "\" :|
Merge pull request #940 from ATofighi/patch-8

add forgotten "\" :|
Implements #857 Jump to Page in pagination
Implements #857 Jump to Page in pagination
Implements #824 Forum Statistics Improvements v2
hide sign to groups
Fixing issue and making things faster
Merge pull request #935 from PirataNervo/featurefix-472

#472 Profile and Reputation report issues with unregistered users
Prevent locked error when dev mode is enabled

This prevents the installer locked error message being displayed while
dev mode is enabled.
#808 should be finished now
Merge pull request #943 from PirataNervo/feature-808

#808 should be finished now
Merge pull request #921 from PirataNervo/featurefix-813

Fixes #813 Notifications with wrong language
WIP #882 Add more hooks v2

xmlhttp.php
WIP #882 Add more hooks v2

Fixes ACP hooks positions.