Fix Bug: B65-ZK-1724: fileupload error contentId is required
minor update
fix ZK-1791 @global-command does not provide predefined "event" variable
Fix Bug B60-ZK-1784: client rod with hflex cause js error
rm dsp, header fixed, write some .less
Merge branch '7.0' of https://github.com/zkoss/zk into update-panel
redraw() body fixed, body less fixed.
rm console.log(), rm unused class, extract variable
fixed maximized
add ';'
move the content of getZClass() to domClass()
replace " with '
fix zk 1787 notify change with tempalte
Merge branch 'zkoss/master'

Conflicts:
	zkdoc/release-note
simplify dom structure
domclass() fixed
fix bug B65-ZK-1785 : Tabbox (accordion) : selecting and removing a tab results in wrong node being opened
new less; rm css.dsp
add component height
@baseHeight:            8px;
@baseIconHeight:   @baseHeight * 2; // 16px
@baseButtonHeight: @baseHeight * 3; // 24px
@baseBarHeight:    @baseHeight * 4; // 32px
@baseTitleHeight:  @baseHeight * 5; // 40px
add
// component width
@baseWidth:            8px;
@baseIconWidth:   @baseWidth * 2; // 16px
@baseButtonWidth: @baseWidth * 3; // 24px