add destroyer interface;
WIP: destroy node on the last service destroyed, but ignore webster and DbpHandler
tools: add LineWriter - abstract class that allows extenders to easy receive line input;
copy ProxyWriter from commons-io;
complete ConfigurableThreadFactory
replace WaitMode support in Launcher with WaitingListener, better support for wait modes;
add support for env.LAUNCHER_DEBUG to ForkingLauncher;
JavaProcessBuilder: remove support for setting output files - unsupported before java7;
Sorcer: close JVM if all destroyable services are gone;
browser: delete tmp.jar after use