node_buttoncommand: <name> | <page> | <button> | <text> | <colour> | live :: <command>
Sets a button on a Remote Node to run a command in Wintermute and sets the text and colour of the button
name is the name of the node that has previously been set up as a remote
page is the page number to place the button
button is the button position on the page
text is the text to be displayed on this button
colour is the colour of the button
live is an optional flag – if present, the button will work even when show buttons are bypassed
command is the command to be triggered by this button
Note that page and button are both zero-indexed, so the first button and first page are both 0.