[9371] Implement .reload all_gossips

[newsbot]

<pre>m src/game/Chat.cpp
m src/game/Chat.h
m src/game/Level3.cpp
m src/game/ObjectMgr.cpp
m src/shared/revision_nr.h

[9371] Implement .reload all_gossips

* For reload `gossip_menu`, `gossip_menu_option`, `gossip_scripts`,
`npc_gossip`, `points_of_interest` by single command.
* Also fixed reloading `points_of_interest`.</pre>



Дальше... (http://github.com/mangos/mangos/commit/858f364901612c7ddd255f49dd4d10c29a9368db)