Update for phpBB 3.2

[avandenberghe]

[Kattienika]

Hello, you are working on update?

[TWEagle]

Yes I also like this theme

[avandenberghe]

code changes prosilver_changes_3.1.10-3.2.0.diff
https://gist.github.com/hanakin/38025ffb267b238c259b0f51400ef788

[avandenberghe]

finalised