Modified all keybindings for up, down, left, right, home, end, pgUp, and pgDown
so that they are not triggered if the Alt key is down.
mozilla/xpfe/global/resources/content/editorBindings.xul
mozilla/xpfe/global/resources/content/browserBindings.xul
mozilla/xpfe/global/resources/content/inputBindings.xul
mozilla/xpfe/global/resources/content/textAreaBindings.xul
mozilla/xpfe/global/resources/content/win/platformInputBindings.xul
mozilla/xpfe/global/resources/skin/htmlBindings.xml
mozilla/xpfe/global/resources/skin/win/platformHTMLBindings.xml
r=brade@netscape.com,akkana@netscape.com
git-svn-id: svn://10.0.0.236/trunk@60322 18797224-902f-48f8-a5cc-f745e15eee43