Update .gitignore files

Untracked files:

(use "git add <file>..." to include in what will be committed)

    compile
    init/corosync
    init/corosync-notifyd
    test/ploadstart

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
Reviewed-by: Jan Friesse <jfriesse@redhat.com>