p.conf: cleanup+unify

Signed-off-by: Andreas Beckmann <anbe@debian.org>
add some TODO items

Signed-off-by: Andreas Beckmann <anbe@debian.org>
p.conf: add wheezy2jessie-rcmd

Signed-off-by: Andreas Beckmann <anbe@debian.org>
add news entry about new test suites: wheezy-pu and wheezy2jessie-rcmd
htdocs/index.tpl: turn mentionings of new suites into links