update header
update docs, add design picture
fix docs less bug
fix logo
update header
fix body margin
combine datepicker&timepicker
merge master
Merge branch 'dev' into datepicker

Conflicts:
	docs/templates/datepicker.jade
datepicker default active
merge label and text in docs
rm build
Merge remote-tracking branch 'sui/dev' into dev

Conflicts:
	docs/pictures/docs/breadcrumb.png
	docs/pictures/docs/btn.png
	docs/pictures/docs/dropdown.png
	docs/pictures/docs/msgs.png
	docs/pictures/docs/pagination.png
	docs/pictures/docs/popover.png
	docs/pictures/docs/progress.png
	docs/pictures/docs/search.png
	docs/pictures/docs/steps.png
	docs/pictures/docs/tab.png
	docs/pictures/docs/text.png
	docs/pictures/docs/tooltip.png
	docs/templates/base_index.jade
	docs/templates/breadcrumb.jade
	docs/templates/buttons.jade
	docs/templates/datepicker.jade
	docs/templates/dialog.jade
	docs/templates/dropdown.jade
	docs/templates/forms.jade
	docs/templates/global.jade
	docs/templates/header.jade
	docs/templates/icons.jade
	docs/templates/loading.jade
	docs/templates/msgs.jade
	docs/templates/pagination.jade
	docs/templates/progress.jade
	docs/templates/sidenav.jade
	docs/templates/steps.jade
	docs/templates/tab.jade
	docs/templates/text.jade
	docs/templates/tooltip.jade
add table
update docs pictures