Change page urls to include .html

[yojoe]

ehh, it's always easier for me to edit source code, than use built in options.
I used %parent%.html and %parent%.html/%slug%, and since it didn't work, I messed with code and mod rewrite.

I like this CMS very much, but for quite some time I see it tries to make my life difficult.

edit: setting custom permalink like %parent%/%slug%.html still needs to update mod rewrite rule