Trying sessionless RexPro.
Remove EchoFilter.

Not sure why that was there.  Didn't seem to affect RexPro operations.
Removed support for multiple messages in pipeline.

Assume one requests sends back just one message.
Merge branch 'master' into RexProRefactor
Get session flags right for the Console.
Update tinkergraph.dat files.
Factored out settings pulled from the command line.

Get better separation of concerns around grabbing settings from the console command line.
Auto set the session identifier in the RemoteRexsterSession.
Move rexster console to the console package (out of the protocol package).
Rexster console method extractions.
Go with single message model in the tcp filter.

Dropped the SingleRexProMessageFilter.java and migrated the code to the RexProMessageFilter.java.
More minor refactoring/renaming.
Move "server" classes to a new server package.
Moved StatisticsHelper.java to util package.
Extracted rexster settings from command line to its own class.
Removed some redundant code in rexster startup.
Extracted servers into individual classes.
Moved the RexsterApplication.java to the server package.
Renamed WebServer to Application
Minor renaming and refactoring.