[PowerTimerEdit] add summary-descriptions("name", "after")

Example for skinners for the screen(with all possible entrys):

	<screen name="PowerTimerEditListSummary" position="0,0" size="256,64">
		<widget source="parent.Title" render="Label" position="120,0" size="136,40" font="FdLcD;17" halign="center" valgin="bottom" />
		<widget source="name" render="Label" position="0,42" size="256,22" zPosition="1" font="FdLcD;20" halign="center" valign="center" />
		<!--widget source="after" render="Label" position="0,42" size="256,22" zPosition="1" font="FdLcD;20" halign="center" valign="center" /-->
		<!--widget source="time" render="Label" position="0,42" size="256,22" zPosition="1" font="FdLcD;20" halign="center" valign="center" /-->
		<!--widget source="duration" render="Label" position="0,42" size="256,22" zPosition="1" font="FdLcD;20" halign="center" valign="center" /-->
		<!--widget source="state" render="Label" position="0,42" size="256,22" zPosition="1" font="FdLcD;20" halign="center" valign="center" /-->
	</screen>