Support lifecycle notice for AIX

Technology Levels have a two year lifecycle. This means that after approximately two years a technology level does not get updated further. Because of this it is considered a best practice approach to review a new technology level at least six months before the one you are using expires.

IBM regularly sends notifications about the apporaching end of technology lifecycles. Below I have included excerpts from recent notifications for AIX 6.1 and AIX 5.3