Merge pull request #4 from mediasuitenz/add_track_versions_in_db-LINCED-4

Add track versions in db linced 4
add moe_audit_log to schema and remove autogenerated comments
add write to audit log when a .moe file is created
Merge pull request #5 from mediasuitenz/add_moe_audit_log-LINCED-4

Add moe audit log linced 4
add getMOEFiles method
fix explicit check for no result from db