Move the connect function into the NetUtil
translation unit to aid using it for the
upcoming async socket logic.
The NetUtil should also come in handy for
the miscellaneous network helpers we have.
Change-Id: I2ee0c6e3e1769fd87572d7407d3b4979b59ffe6a
Signed-off-by: Ashod Nakashian <ashod.nakashian@collabora.co.uk>