BuildSystem/ALL: Remove unused custom code (most are duplicated as in examples)

+ remove fileglobbing for scripts (less error-prone)
+ Create proper lists per "scriptsection"
NOTE! This change requires new files (cpp/h) to be MANUALLY ADDED to <type>/CmakeLists.txt

--HG--
branch : trunk

src/server/CMakeLists.txt

@@ -25,9 +25,7 @@ if( SERVERS )
   add_subdirectory(game)
   add_subdirectory(collision)
   add_subdirectory(authserver)
-  if( SCRIPTS )
-    add_subdirectory(scripts)
-  endif()
+  add_subdirectory(scripts)
   add_subdirectory(worldserver)
 else()
   if( TOOLS )