Hide public projects' feature

Would you please apply this patch. We appreciate the feature "hiding public projects" at the university due to better project page readability. Also the capability of administrator presets in the back-end is nice.

* We applied pull request 21 (#9605faf)
* We applied pull request 22 (#6839be5)
* egger	Add CSS ID to menu recently viewed projects for better template manipulation  ( #3aab4f8)

Anyway, many thanks for your plug-in! I like it! It's simple and very handy!

Cheers