Implement DO_WORLDSERVER and DO_AUTHSERVER options for cmake, both enabled by default

Needs more work to split shared/ and so on but it works

--HG--
branch : trunk

src/server/CMakeLists.txt

@@ -1,8 +1,16 @@
 add_subdirectory(shared)
-add_subdirectory(game)
-add_subdirectory(collision)
-if (DO_SCRIPTS)
-   add_subdirectory(scripts)
-endif (DO_SCRIPTS)
-add_subdirectory(authserver)
-add_subdirectory(worldserver)
+if (DO_AUTHSERVER)
+  add_subdirectory(authserver)
+endif(DO_AUTHSERVER)
+if(DO_WORLDSERVER)
+  add_subdirectory(game)
+  add_subdirectory(collision)
+  if(DO_SCRIPTS)
+    add_subdirectory(scripts)
+  endif(DO_SCRIPTS)
+  add_subdirectory(worldserver)
+else(DO_WORLDSERVER)
+  if(DO_TOOLS)
+    add_subdirectory(collision)
+  endif(DO_TOOLS)
+endif(DO_WORLDSERVER)