UINavigationController-侧滑

解决自定义leftBarButtonItem导致UINavigationController侧滑失效或卡住

参考文章

Name		Name	Last commit message	Last commit date
Latest commit History 3 Commits
02-JF_UINavigationController侧滑		02-JF_UINavigationController侧滑
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md