Use --enable-silent-rules for less cluttered build log

git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4633 0b2b3880-5936-4365-a048-eb17d2e5a6bf
patch from bug 787


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4635 0b2b3880-5936-4365-a048-eb17d2e5a6bf
remove mention of cidmap file callbacks


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4636 0b2b3880-5936-4365-a048-eb17d2e5a6bf
small changes to invocation name test


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4637 0b2b3880-5936-4365-a048-eb17d2e5a6bf
patch from Akira


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4638 0b2b3880-5936-4365-a048-eb17d2e5a6bf
small patch to popen() args from Akira


git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4639 0b2b3880-5936-4365-a048-eb17d2e5a6bf