fixed multiple CSS enries for same selector
fixed '0' value processing for lengths in CSS
extra paremeter book skipEmpty for ZLStringUtil::split()
'margin' property support
CSS changes description
Merge branch 'master' into nook
2.1.3
Merge branch 'master' into nook

Conflicts:
	AndroidManifest.xml
updated ChangeLog
Merge branch 'master' into nook