Kevin Perez

This makes possible to control slides publication using timestamps. This adds three new behaviors: 1. Slides where both `starts_at` and `ends_at` are defined are only shown if they are published...

Set config through a config block instead of direct assignment

3

Hi there. Some colleagues and I were working with `wicked_pdf` and [`wkhtmltopdf-heroku`](https://github.com/rposborne/wkhtmltopdf-heroku) when we noticed an issue. The latter gem adds a new value to `WickedPdf.config[:exe_path]` but the app was...