3.3.3.4

Merge pull request #7 from somdoron/master

cherry picks fixes from NetMQ4

3.3.3.3

Merge pull request #6 from somdoron/master

update nuspec to latest AsyncIO version

3.3.3.1

Include more info about this repo in the README file.

3.3.3.0-rc9

port router handover from libzmq

Conflicts:
	src/NetMQ/Core/ZmqSocketOption.cs

3.3.3.0-rc8

Merge pull request #1 from drewnoakes/obsoletion-messages

Obsoletion messages explain that APIs will be removed in NetMQ 4.0