Sync header changes with develop branch

artifacts/scripting/headers/lib.inven.h

@@ -3,6 +3,7 @@
 #define LIB_INVEN_H
 
 #include "define_lite.h"
+#define PID_BOTTLE_CAPS                     (41)
 
 /**
   Inventory contents as temp array to be used in foreach

artifacts/scripting/headers/sfall.h

@@ -3,6 +3,7 @@
 
 // Recognised modes for set_shader_mode and get_game_mode
 #define WORLDMAP    (0x1)
+#define LOCALMAP    (0x2) //No point hooking this: would always be 1 at any point at which scripts are running
 #define DIALOG      (0x4)
 #define ESCMENU     (0x8)
 #define SAVEGAME    (0x10)