Merge pull request #311 from yanghuabei/master

CommandMenu增加对disabled的item的支持
editable支持function方式的配置
Merge branch 'master' of https://github.com/ecomfe/esui
Revert "editable支持function方式的配置"

This reverts commit 300a544c1e4a5f22dc6bc592cbfdaf5c0bfc0095.
Merge branch 'master' of https://github.com/ecomfe/esui