Merge pull request #389 in SNORT/snort3 from perf_cpu to master

* commit 'bee4bdad8e220cd70b01b61772b60e37628fdeb3':
  fixed param orders in perf_module.h. moved perf file macros to respective class definition files
  removed unimplemented method from header
  update snort2lua to enable cpustats by default when perfmon is on. update to explicitly enable base
  added unit tests. removed LINUX_SMP build options
  first working test of thread stats