Tweaks for the benefit of the webpage.
- mention s390x/linux in README
- formatting tweak in README.s390 so things don't look ugly in html
- add README.s390 and README.android to distribution documents


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12277 a5019735-40e9-0310-863c-91ae7b9d1cf9
3 files changed