Demos: update keyword addition to avoid adding more then once
Demos: update keyword addition to avoid adding more then once

hinaloe/jqm-demo-ja,arschmitz/jquery-mobile,startxfr/jquery-mobile,arschmitz/jquery-mobile,startxfr/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/uglymongrel-jquery-mobile,startxfr/jquery-mobile,arschmitz/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja