fixe the WorkStation test case setUp method (stray print statement)
cleaned up old commented out code
added a _starter method to the AssemblyLine class
Merge remote-tracking branch 'origin/h5multipy_supermodule' into assembly_starter_finisher
added a _finisher method to the AssemblyLine class, updated test cases
accordingly (cleaned up old commented out code), and updated reference
to threadutils submodule
added explicit references to assembly line input and output queues and
updated name of control locks in module