Update Geting Started for SUSE OBS.

Describe in detail how to install NovaProva on Ubuntu from the OBS
repositories (because the OBS docs explain this poorly).  Refer to the
OBS docs for RedHat/SUSE.
Update Getting Started for autoconf

As we have a ./configure script now.
Update Getting Started for the default main()

which makes it much easier to get to the first test.
Update Getting Started for current NP messages.
Update changelogs, bump version for 1.3