Don't log init for each subsystem [IMMUTANT-398]
Only display full version info in debug mode [IMMUTANT-398]
Use quieter (logging wise) builds of polyglot and the AS [IMMUTANT-398]
Suppress more logging; provide -Djboss.logging.level option [IMMUTANT-398]

This also brings in a starter logging.properties to give a better
first-boot experience.