refactor(server): use cpp target instead of neko

gulpfile.js

@@ -142,7 +142,7 @@ const editor = new Project(
  */
 const server = new Project(
     Project.BuildSystem.HAXE,
-    Project.Platform.NEKO,
+    Project.Platform.CPP,
     config.branch({
         name: 'server',
         sources: ['src/server/haxe'],
@@ -172,7 +172,7 @@ const defaultSeries = [
     module.exports['editor:flash:html'],
     module.exports['editor:html5:build'],
 
-    module.exports['server:neko:build'],
+    module.exports['server:cpp:build'],
 ];
 
 if (System.isLinux) {