[#5933] Add test to cover unicode display names

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>
[#5557] Clean up created pre-revprop-change hook after sync

Signed-off-by: Cory Johns <johnsca@geek.net>
[#5557] Remove permissive pre-revprop-change for new commits to not allow history change by default

Signed-off-by: Cory Johns <johnsca@geek.net>