Unittesting basemodule

merge_streams was not having the desired effect
Testing certificates

Add certificates for use with taskd and task
Testing

Add a class to manage one or more taskd servers running on the same
machine.
Testing

Expose location of taskd.log and taskd.pid
Merge pull request #3 in TM/task from ~UNODE/task:2.4.0 to 2.4.0

* commit '08c11da7022c424ce1301d2b3923b254c8e7a305':
  Testing
  Testing
  Testing certificates
  Unittesting basemodule