windows: fix console signal handler refcount

Backport of 0c726e7 from master
inet: allow scope in `uv_inet_pton` ip6 check

Note that isn't actually parsing it, since the output value is a
`struct in6_addr`.

see https://github.com/joyent/node/issues/7395
Revert "inet: allow scope in `uv_inet_pton` ip6 check"

This reverts commit d30e3ab65acf7b77945658d3e6127ca6af6eec6, because it
is a new feature!
win: always leave crit section in get_proc_title

fix #1235
Merge branch 'v0.10'

Conflicts:
	src/win/signal.c
	src/win/util.c