fixed issue where job could had been labeled as non-runnable when it was just wasn't given the found block

Added DebugFlags for the select/bluegene plugin DEBUG_FLAG_BG_PICK DEBUG_FLAG_BG_WIRES DEBUG_FLAG_BG_ALGO DEBUG_FLAG_BG_ALGO_DEEP

    better scalability.

remove redundant array of sockets per node in gang scheduling module (new code should be faster too)

MessageTimeout-2 secs

  calculations in sstat command

destroying the others