Alternate row color on profiling panel

Author: zborboa-g

debug_toolbar/templates/debug_toolbar/panels/profiling.html

@@ -13,7 +13,7 @@
 	<tbody>
 		{% for call in func_list %}
 			<!--  style="background:{{ call.background }}" -->
-			<tr class="djDebugProfileRow{% for parent_id in call.parent_ids %} djToggleDetails_{{ parent_id }}{% endfor %}" depth="{{ call.depth }}">
+			<tr class="{% cycle 'djDebugOdd' 'djDebugEven' %} djDebugProfileRow{% for parent_id in call.parent_ids %} djToggleDetails_{{ parent_id }}{% endfor %}" depth="{{ call.depth }}">
 				<td>
 					<div style="padding-left: {{ call.indent }}px;">
 						{% if call.has_subfuncs %}