GeezerVison

v1.5.1 bugfix release

Semantic change to ISteamNetworkingSockets::SendMessages

Added bDeleteFailedMessages.  By setting this to false, the caller has
the opportunity to retry failed messages, which is an especially
reasonably thing to do in the case of the send buffer being full.

Also clarified expected (and enforced) expected behaviour on
how subsequent messages on a connection are handled after a failed
message send.  Previously, there was a fairly significant bug, which is
that we would coutinue to try to send messages, which is bad because
it can break fundamental guarantees about message delivery order.  Now,
we will always stop at the first failure.

This fixes issue #317

Fix incorrect nonempty check in ICE initialization

ulti-lane support, improved vcpkg support, misc bugfixes

[Steam only] Tests can disable P2P local loopback optimization

P4:6571413

Tweak windows build instructions

travis: disable fedora:rawhide for now

Their protobuf libs are broken at the moment

Signed-off-by: Steven Noonan <[email protected]>

GameNetworkingSockets v1.0.0