Merge branch 'feature/update-slides-readme' into 'master'

[slides] update readme to new slides

See merge request !45

slides/README.md

@@ -5,3 +5,4 @@ Click on the links to download the slides
 * [Slides on the basics](./dumux-course-intro.pdf)
 * [Slides on the problem file](./dumux-course-problem.pdf)
 * [Slides on runtime parameters and grids](./dumux-course-runtimeparams-grids.pdf)
+* [Slides on properties](./dumux-course-properties.pdf)