Some minor refactoring and cleaning up in DatabaseEngine and DatabaseEngineMonitor.
Fixed a glitch in Starcounter.Server StartExecutableCommandProcessor that caused the database model not to be properly updated on all occations.
Extended tracing capabilities of the Starcounter.Server CommandProcessor.
Added a new IEqualityComparer implementation for the Starcounter.Server CodeHostProcessMonitor class, support equality by value. Also added some additional debug logging for synchronization.
Some internal changes to DatabaseEngineMonitor: changed the collection code host monitors are stored in to a set, and made sure a monitor removed RemoveCodeHostMonitor also was removed from the dictionary of active monitors if present there.
Added some additional tracing/logging to Starcounter.Server DatabaseEngine class.