1) polish the ui html more
Merge branch 'master' of https://github.com/meihuisu/slicedrop.github.com

Conflicts:
	3mesh.html
	3vol.html
	js/3mesh.js
	js/3vol.js
	js/jquery.frontpage.js
	js/xtk.js
	ui_plain.html
	ui_tabs.html
	view.html