test_connect_delay: don't listen on public interfaces

Tests should only bind to local interfaces. Change listening address
from '*' to '127.0.0.1'.

Also change instances of 'localhost' to '127.0.0.1' as used in all other
tests in this directory.
test_disconnect_inproc: also change comment to make it non-public
Revert "zmq: add TIPC transport tests"

This reverts commit d0aa05fac49ef3640a99c67d323bb3d062f6c355.
Revert "zmq: add support for TIPC transport"

This reverts commit dbc42ee9af098183714845a75139997dcc34c7a0.
Merge pull request #109 from mrothe/no-public-tests

No public tests
Merge pull request #112 from hintjens/master

Backported fix for libzmq-39
Clarified ZMQ_IDENTITY doc for duplicate identities