Update ee(1) in the base system to version 1.5.0.

Update ee(1) in the base system to version 1.5.0.

This version is now licensed under a 2-clause BSD license, instead of
the Artistic license. I've reverted a lot of local modifications we made
to ee, because they have been integrated upstream as well.

Only local modifications include:

- $FreeBSD$ ID.
- Pathname to init.ee.
- catopen() call, to honor LC_MESSAGES instead of LANG.

To keep SVN happy, I'm putting an application/octet-stream mime type on
the KOI8 translations.

Reviewed by:	current@