Convert remaining Threads to I2PThread or I2PAppThread

apps/BOB/src/net/i2p/BOB/BOB.java

apps/BOB/src/net/i2p/BOB/DoCMDS.java

apps/BOB/src/net/i2p/BOB/I2Plistener.java

apps/BOB/src/net/i2p/BOB/I2PtoTCP.java

apps/BOB/src/net/i2p/BOB/MUXlisten.java

apps/BOB/src/net/i2p/BOB/TCPlistener.java

apps/BOB/src/net/i2p/BOB/TCPtoI2P.java

apps/sam/java/src/net/i2p/sam/SAMv3StreamSession.java

core/java/src/net/i2p/util/I2PAppThread.java

core/java/src/net/i2p/util/I2PThread.java

router/java/src/net/i2p/router/Router.java

router/java/src/net/i2p/router/peermanager/PeerManager.java

router/java/src/net/i2p/router/transport/UPnP.java