ACTION-277 Definition of Location Bar provided in Glossary

Hi all,

I have written a short definition and placed it in the glossary: 
http://www.w3.org/2006/WSC/wiki/Glossary .  I also added "URL bar" and 
pointed it back to Location Bar.

Regards,
Tim Hahn
IBM Distinguished Engineer

Internet: hahnt@us.ibm.com
Internal: Timothy Hahn/Durham/IBM@IBMUS
phone: 919.224.1565     tie-line: 8/687.1565
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