fixed ZSS-548
finetune dependency: 1. jars depend on 6.5.4, 2.test,app and demo depends on 6.5.5
fixed ZSS-552 avoid auto-adjusting row height being put into undo history
(zssapp) set hflex="1" to make width of <space> equal to <listbox> or the <space> will prop the outer window's width to be wider than <listbox>
ZSS-561: force clear css, or IE 10,11 will cache old css
update release-note
[zssapp] change print setup to make sheet 1 of demo_sample.xlsx be printed in one page
remove redundant and typo when porting for ZSS-528 from 2.6.0.FL.20140129.
modify upload maven script to upload proprietary maven bundles
#ZSS-541 , use Calendar to calcuate date-time step
Merge branch 'origin/3.0'

Conflicts:
	zkdoc/release-note
	zss/src/org/zkoss/zss/ui/Spreadsheet.java