Ship Odyssey v.2013.08.13: add log statements sent to DG
Ship Odyssey: consolidate DG data-handling code to new common class DGInterface (.as)
KCPTCommonLibrary: remove ScriptInterface.as, moved to SRRICommonLibrary
SRRICommonLibrary: add common.ScriptInterface.as, since DGInterface depents on it.
Ship Odyssey v.2013.08.19: update log statements sent to DG.
RockRoll.mxml: reference moved common.ScriptInterface
ChainSaw.mxml: reference moved common.ScriptInterface
added debug class to report on state of existing sounds, moved sound classes from common lib to sound package in ChainSaw to simplify reference issues