* Tabs: add stretch attribute

* Update tabs.scss

* Dialog: trigger closed event when close animation ends

* Update dialog.md

* Update dialog.md

* Chore: retire lerna and delete redundant files

* Chore: update Makefile

* date-time-picker: fix incorrect date on time pick

* date-time-picker: fix incorrect date on confirm

Tree : mark node data in lazy mode (#10684)

this.data可能为undefined,需要判断一下

* Tabs: fix lazy tab-pane order

* Tabs: fix lazy loading

* form-item sizeClass

* Update form.spec.js

Added forgotten translation for page