add more signal mappings
add more signal codes to the Signal enum
Fix typo (wrong path for new IOU.pm)
Merge pull request #332 from usev6/nom

Fix typo (wrong path for new IOU.pm)
optimize METAOP_ASSIGN by kind-of-sort-of-inlining
profiler: p6getouterctx allocates
let's constant-fold metaop_negate and metaop_reverse, too
i prefer eqat to index ... == 0
Allow :nth(*-1) for masak++.
Remove () from use of constants in IO::Socket::INET

Otherwise IO::Socket::INET.new(:host<feather.perl6.nl>, :port(3000),
:family(2)) fails
update case functions in deftraps
Unbust tmpdir on Windows.

Fixes S16-io/tmpdir.t.
Fix IO::Spec::Cygwin.rel2abs on Windows.

The tests (I think correctly) don't expect to end up with a volume,
but because we delegate to Windows rel2abs on Cygwin then tweak the
slashes, we end up with one. Not sure this is the best fix, though it
is better than the other obvious alternative (let the drive letter be
put on by IO::Spec::Win32, then strip it off in IO::Spec::Cygwin).
Bump NQP_REVISION for signals, Moar perf fix.
Merge pull request #303 from carbin/nom

Handle more signals
Merge branch 'nom' into newio