通知默认模板的消除
支持 #1895 二级分类无显示
功能 #1999 安装代码的bug和功能改进
Merge branch 'master' into develop
功能 #2015 请****仔细****审查每前后台的每个Action，是资源新增修改删除的地方都需要POST
Merge branch 'master' into develop
Merge branch 'develop' of ssh://gitlab.howzhi.net:3322/edusoho/edusoho into develop
update
Merge branch 'develop' of ssh://gitlab.howzhi.net:3322/edusoho/edusoho into develop
remove debug info
错误 #2006 添加课时，从视频库位考虑视频很多的的情况。 PS:包括音频的选择滚动
fix #1925
fix #1981
fix #1995
fix #1917
fix #2018
add build-package command
Merge branch 'develop' of ssh://gitlab.howzhi.net:3322/edusoho/edusoho into develop
fix #1857
Merge branch 'develop' of ssh://gitlab.howzhi.net:3322/edusoho/edusoho into develop