0.91

• Extend disconnect notification with reason
• Improved Javadoc around Session.isConnected, EngineConfiguration,
• Add in utilities to dump out the state of the on disk session contexts file and replay indexes and validate replay indexes
• Deprecate FixEngine.resetSessionIds() and add ability to validate replay index files, add validation tests to test suite
• Fix bugs where an inconsistent sequence index could be produced due to a sequence reset.
• Fix bug where disabling logging could stop the fix message logger from printing out streaming data
• Fix bug where a non-ipc aeron library channel could cause a Fix Message Logger to hang
• Improve javadoc around the FixMessageLogger and add ability to provide an Aeron client that can be re-used with other Aeron application code
• Fix #301
• Fix #422
• Fix bug related to waiting for slow image when handing session over
• Fix bugs where an inconsistent sequence index could be produced