0.30

Upgrade to Agrona 1.0.2, Mockito 2.28.2, Checkstyle 8.22, Shadow 5.1.0.
Improve javadoc on UtcTimestampEncoder
Split out message level logging on FIX messages more clearly
Add a MessageDecoder interface in order to extract the header out of any message type
Be able to extract fields out of Encoders as Strings to enable easier testing
Add FixLibrary.CURRENT_SEQUENCE constant to enable catchup replay only of current stream.
Make the reset value for missing decimal float fields a NaN
Add Encoder methods to accept AsciiSequenceView for String fields
Add a FixMessageLogger for easier integration.
Fix a bug with monitoring agent idle strategy configuration and make thread factory usage consistent.