Added support in MacPorts base to set PATH and MANPATH automatically in Leopard

[Emmanuel Hainry]

Citando James Berry :
> I just checked in some code (r31491:31492) that supplies and installs spec 
> files for the /etc/paths.d  and /etc/manpaths.d directories if they are 
> present, as they are on Leopard.

I thought macports was supposed not to mess with anything outside
/opt/local. (apart from /Application/Macports and
/Library/LaunchDaemons and a few others but aiming to reduce them
whenever possible). Modifying things in the user's home directory is
acceptable though.


Emmanuel