refactor root.xml

changes

• refactor root.xml as luban.conf
• fix some bugs

v2.0.3

• 新增 cs-editor-json支持
• 优化错误日志，打印详细错误位置
• 删除schema的env支持

fix some bugs

v2.0.2

[fix] 修复 OutputSaverBase获取outputDir使用saver作为family name的bug，应该使用targe…

fix some bugs

• fix some bugs
• add some features
• support cpp-bin

first refactored version

refactor luban completely. make codes simpler and more pretty. The new version is more easy to custom luban.