Cocos2d-x - Mature, lightweight, open cross-platform solutionThe 3.17.1 release focuses on bug fixing. Highlights Fix Lua loading performance drop bug introduced in 3.17Renderer limit glClear invoke times, reduce power consumingoptimize CMake script，fix some linking issuesAndroid use CMake as default PROP_BUILD_TYPE valueAndroid upgrade Gradle to 4.6, SDK 28, android gradle plugin 3.1.0upgrade LuaJIT to 2.1.0-beta3, fix random crash in 3.17 Lua release mode
