changed "discard changes" to a more useful "cancel" button

„cancel” will take you back to the last view you were in.

templates/Sparkle/misc/form/table_end.tpl

@@ -1,7 +1,7 @@
 <tfoot>
 	<tr>
 		<td colspan="2" style="text-align:right;">
-			<input type="reset" value="{$lng['panel']['reset']}" />
+			<input type="reset" value="{$lng['panel']['cancel']}" id="historyback" />
 			<input type="submit" value="{$lng['panel']['save']}" />
 		</td>
 	</tr>

templates/Sparkle/misc/form/table_section.tpl

@@ -3,7 +3,7 @@
 		{$title}
 	</th>
 	<th style="text-align:right;">
-		<input type="reset" value="{$lng['panel']['reset']}" />
+		<input type="reset" value="{$lng['panel']['cancel']}" id="historyback" />
 		<input type="submit" value="{$lng['panel']['save']}" />
 	</th>
 </tr>