Feature Request: Add an option to show the grid name in title

LiruGridInTitle is the debug
Feature Request: Add a debug setting for how many lines of history to show when LogShowHistory

LogShowHistoryLines is the setting
This change cleans up some very C code in lllogchat.cpp
Feature Request: Add a debug setting to prevent double clicking on the world map resulting in a teleport

Adds DoubleClickTeleportMap to debug settings.