feature request: custom delimiter

[xpepermint]

Currently mu does not support changing the tag form ({{ }} to say <% %>).

[sammerry]

This commit enabled that feature.

https://github.com/raycmorgan/Mu/commit/14eb29a48489181f41c57f18036a777afe18bd51

try using the {{=<% %>=}} Its part of the mustache spec.

Its under the Set Delimiter heading

http://mustache.github.io/mustache.5.html