move tablet css to less
replace " with ', replace some zcls + '-xxx' with this.$s('xxx')
Merge branch '7.0' of https://github.com/zkoss/zk into update-slider
refactor html, iframe, imagemap
adjust domclass, adjust less
* rm drag and over class, mouseover and mouseout event in slider.js
* add fixWdh() in slider.js
* rename short class name to full class name, add this.$n(tick) img
* adjust the width of this.$n(center) in hor mold
* btn should be circle in scale mold
recovery this.$n(real)
Merge branch '7.0' of https://github.com/zkoss/zk into update-slider
move css to less, replace zcls + 'img' with this.$s('image')
Merge branch 'update-slider' of git://github.com/huangnoah/zk into 7.0
Merge branch 'update-progressmeter' of git://github.com/huangnoah/zk into 7.0