Calculate queue size dynamically based on number of SPEs
Merge branch 'patch-2'

* patch-2:
  Empty passwords do not work for Eligius
  Fix issue #9
Merge branch 'feature/tuning'

* feature/tuning:
  CFLAGS tuning for PowerXCell 8i and GCC 4.7
  Fix strict aliasing problems so -fno-strict-aliasing is no longer needed
Merge branch 'feature/latency'

* feature/latency:
  Calculate queue size dynamically based on number of SPEs
  Reduce longpoll timeout to improve reaction times in case of network issues