contrib: update dhtnet

contrib/src/dhtnet/package.json

contrib/src/dhtnet/rules.mak

src/jamidht/jamiaccount.cpp

src/jamidht/jamiaccount.h

src/manager.cpp

src/manager.h

src/sip/sipaccountbase.cpp

src/sip/sipcall.cpp

test/unitTest/ice/ice.cpp