Fix socket.io race condition#16

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mgrandrath wants to merge 3 commits intojamesshore:spike_socket_io_race_conditionfrom

mgrandrath:fix_socket_io_race_condition

Commits on May 27, 2017

Wait for sockets to actually be connected before using them
Martin Grandrath
committed
Minimize code -> sometimes the server does not shut down
Martin Grandrath
committed
Force server shutdown after timeout (default timeout is 2 minutes)
Martin Grandrath
committed