Translations:Upgrading Gentoo/53/en

- Upgrading to the 2.4 -kernel based 2006.0/2.4 profile requires manual user intervention (unmerging Java stuff) and an because of the GCC upgrade. Upgrading to the 2.6 -kernel based 2006.0 profile which is not considered stable also requires an entry in to unmask a 2.6 version of  and a full rebuild.