Added Zotero.getString() as App.getString()
Added Zotero.getString() as App.getString()

neam/webapp-xul-wrapper,neam/webapp-xul-wrapper,neam/webapp-xul-wrapper,bala17/webapp-xul-wrapper,bala17/webapp-xul-wrapper,bala17/webapp-xul-wrapper,bala17/webapp-xul-wrapper,neam/webapp-xul-wrapper,bala17/webapp-xul-wrapper,bala17/webapp-xul-wrapper,bala17/webapp-xul-wrapper,bala17/webapp-xul-wrapper,neam/webapp-xul-wrapper,neam/webapp-xul-wrapper