[Commotion-admin] [luci-commotion] Improve DNS override logic (#117)

[areynold]

When making changes on the manual mesh config page, meshconfig says it is removing DNS overrides even when there is no DNS override to remove.

Add a check for existing overrides before entering the override removal loop.


---
Reply to this email directly or view it on GitHub:
https://github.com/opentechinstitute/luci-commotion/issues/117
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.chambana.net/pipermail/commotion-admin/attachments/20131202/b236e776/attachment.html>