* Message Box: add chalk theme

* Message Box: doc fix

* Message Box: change prop name into center

# Conflicts:
#	packages/date-picker/src/panel/time.vue

* Playground: bump to new theme

* Tree: update chalk theme

* update doc

* Update var.scss

* Popover: add chalk theme

* Popover: add chalk theme

* added hide-after timeout for hiding tooltip

* restored clearTimeout(this.timeout) in handleClosePopper()

* Remove useless parameters

* Remove useless parameters

* [Tree docs] Modify typos

* [Loading] Optimize the close process

* Optimize the close process

* Revert the yarn.lock

* Update yarn.lock

Fix slang 'Нема' -> 'Немає'

Pagination: fix Jumper value should reassign when internalCurrentPage greater than internalPageCount

fix month status check Bug