Modified ReadyMessageSender to use StartedMessageProcessing event

Added a failing acceptance test for #21
Fixed #21 by switching to StartedMessageProcessing event in ReadyMessageSender
Updating packaging scripts
SyncOMatic update
Merge pull request #24 from Particular/SyncOMatic-20141024-085902

SyncOMatic update
Removed old nuget.config
Added missing gitversionconfig
Merge branch 'hotfix-5.0.1' into develop