Merge branch 'sj/userdiff-c-sharp'

The userdiff patterns for C# has been updated. Acked-by: Johannes Sixt <j6t@kdbg.org> cf. <c2154457-3f2f-496e-9b8b-c8ea7257027b@kdbg.org> * sj/userdiff-c-sharp: userdiff: better method/property matching for C#