This was always the case because we assume base is always installed.
But some have an old install from a time before the base package was introduced.
So be explicit here to "fix" those old installations, in case someone tries to
start building packages.
* It's long abandoned and everyone should be using gettext
and we want to get rid of it in the long run.
* Many packages that need it depend on it anyway
Replaces the package group 'base-devel'.
Easier to add/remove packages when it is a package.
Compared to the current base-devel group this removes various things
which I hope are not used very much and wont break many things.
