implement #edit/:guid router.
new router default to navigate to edit/:guid
refect:
change loadPlainConfig(guid) to configById(guid);
change initializeCanvas(plainConfig) to drawCanvas(plainConfig);
解决bootstrap input高度的bug, 注释掉了 height: 20px; 样式
将#config-form改造成bootstrap modal

实现SaveFormView

-- post: 提交

-- show: 显示

-- hide: 隐藏

-- loadData(json): 加载model