Fixed problem with door notification

It should show the target's name in the notification, not the name of
the person who is running the command
Merge pull request #1729 from zack-w/master

Fixed problem with door notification
Entity HUD optimization

Stops a clientside math.sqrt calculation every frame
Merge pull request #1730 from zack-w/master

Entity HUD optimization
Fixed #1731
Merge branch 'master' of github.com:FPtje/DarkRP
Merge branch 'master' into workshop