Added interface for game update tasks.

CMakeLists.txt

@@ -181,6 +181,7 @@ java/membuffer.h
 
 tasks/task.h
 tasks/logintask.h
+tasks/gameupdatetask.h
 )
 
 
@@ -206,6 +207,7 @@ java/annotations.cpp
 
 tasks/task.cpp
 tasks/logintask.cpp
+tasks/gameupdatetask.cpp
 )