Add socket.io dependency
SlaveManager: simple enqeue() implementation
Add SlaveManager enqueue() test
Add debug mode for extra logging, some fixes
Test scenarios: empty task package, multiple slaves
Add SlaveManager.dequeue() tests
Implement SlaveManager.dequeue()
Adjust naming to match documentation
Add test for recovering from lost connection
Disable debug logs in test
Merge pull request #39 from blostic/MR_#30_slave_mgr_communication

MR #30 slave mgr communication