Improvements

+ New 5 minute window option when viewing test averages in real time graphs.
+ New 5 minute window option when creating performance alerts.
+ Display the DNS server used on the Target details view.

Bug Fixes

* UI: Fixed how tooltips with errors are rendered on wifi graphs to wrap the messages so that they can be easily viewed.
* Fixed validation bug when creating a new Wifi network.
* Fixed viewing hopping group labels on Wifi detailed view.
* Updated the color palette on Network Speed test metrics to more neutral colors.
* Fixed bug on alert counts shown on wifi network details view.
* Fixed the SMTP verification functionality to support empty username and password.
* Fixed incident bar on remote worker agents was shown in network agents.
* Made some minor fixes on the offline upgrade bundle.
* Agent: Fixed ping timeout bug.