update webticker script so it doesn't crash when no items are inserted and to run the duplicate function if necessary
Merge branch 'dev' of github.com:jonmifsud/Web-Ticker into dev

Conflicts:
	jquery.webticker.js
fix for swap mode starting blank
WebTicker not scrolling in Windows XP IE9 fix
Merge pull request #20 from kopijunkie/ie9-fix

WinXP IE9 fix (Issue #14)