[devtools] bases for instrumenting / debugging standard propagation hooks
* a class that helps writing command to check propagation, detecting standard
errors and picture the propagation as a graph
* a class to instrument sets used to configure standard propagation hooks
closes #3171980
// This contains template-specific javascript
function filterLog(domid, thresholdLevel) {
var logLevels = ["Debug", "Info", "Warning", "Error", "Fatal"]
var action = "hide";
for (var idx = 0; idx < logLevels.length; idx++){
var level = logLevels[idx];
if (level === thresholdLevel){
action = "show";
}
$('#'+domid+' .log' + level)[action]();
}
}