Make moans about unknown ioctls more informative (#336772)

This is a slightly modified version of a patch from Ivo Raisr <ivosh@ivosh.net>.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14116 a5019735-40e9-0310-863c-91ae7b9d1cf9
Make none/tests/filter_ioctl_moans executable

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14117 a5019735-40e9-0310-863c-91ae7b9d1cf9
Update Subversion ignore lists

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14118 a5019735-40e9-0310-863c-91ae7b9d1cf9