3.15.0-0.3.RC1
    
    - Enable full regtest on all fedora arches.
    - Make sure that patched a.c is not newer than cgout-test.
    - Update valgrind-3.15.0-gdb-output1.patch to upstream version.
    - Add valgrind-3.15.0-filter-libc-futex.patch.
    - Add valgrind-3.15.0-mmap-32bit.patch.