Sage framework
Problem
Smart Slider 3 does not show up on a website which is based on Sage framework.
Solution
The app/filters.php file needs to be updated with the following update to the template_include filter: https://github.com/roots/sage/commit/ede699368e65c59c60d106c20e20565e2c0fe1c6#diff-8b748c75763ffb3068f4da1679ecf02f