Drop 1.1.8 to nuget

Fixes a couple of bugs
Get the new NetStandard 1.0 versions of COSE and CBOR

Drop 1.1.7 to nuget

Mostly small changes - The big two are an item for doing proxy servers and the missing public on a file logger class so that it can be used.

Drop 1.1.6 to nuget

• Re-enable DTLS reliability layer. It was removed for debugging purposes.
• Re-enable observer reconnect attempts. The ability to disable it remains, this just changes the default value.
• Add a UriPath and UriQuery property to the CoapClient class. This means that URIs do not need to be constantly reparsed when looking at multiple resources on a server.

Drop 1.1.5 to nuget

Merge pull request #19 from jimsch/Observe

Make all packages consistent

Release version 1.1.4

DTLS server included
logging updates
additional logging for the observe bug

Release 1.1.3 to nuget

Deal with issues that have been reported

• Dependencies are not automatically downloaded
• Debug logging is on by default
• Observe is auto-renewing by default

Release 1.1.2 to nuget

Version has client side DTLS added.