New run ready for RC3

Hi all,

I've prepared a new run of regression tests on Moztrap [1] for the 4.0.2
RC3 due this week (not yet available).

These regression tests are simple, with step by step explanations and
expected results. If you are a new comer in testing, you'll be guided by
Moztrap (and me if you need help :). If you're used with testing, that
allows a follow up on previous regressions and an easy check for the

Thanks a lot to all previous and future participants !