dGame Precompiled header improvements (#876)

* moving branch

* Add deleteinven slash command

* Change name of BRICKS_IN_BBB

* Use string_view instead of strcmp

* Clean up include tree

* Remove unneeded headers from PCH files

Removes unneeded headers from pre-compiled headers.  This increases compile time, however reduces development time for most files.

* Update Entity.h

* Update EntityManager.h

* Update GameMessages.cpp

* There it compiles now

Co-authored-by: Aaron Kimbrell <aronwk.aaron@gmail.com>

dScripts/02_server/Map/AG/NpcPirateServer.cpp

@@ -1,4 +1,5 @@
 #include "NpcPirateServer.h"
+#include "MissionState.h"
 #include "InventoryComponent.h"
 
 void NpcPirateServer::OnMissionDialogueOK(Entity* self, Entity* target, int missionID, MissionState missionState) {

dScripts/02_server/Map/AG/NpcWispServer.cpp

@@ -3,6 +3,7 @@
 #include "EntityManager.h"
 #include "Entity.h"
 #include "GameMessages.h"
+#include "MissionState.h"
 
 void NpcWispServer::OnMissionDialogueOK(Entity* self, Entity* target, int missionID, MissionState missionState) {
 	if (missionID != 1849 && missionID != 1883)

dScripts/02_server/Map/AG/RemoveRentalGear.cpp

@@ -1,6 +1,7 @@
 #include "RemoveRentalGear.h"
 #include "InventoryComponent.h"
 #include "Item.h"
+#include "MissionState.h"
 #include "Character.h"
 
 /*