0.1.0-beta1

Merge branch 'develop'

* develop:
  Fix tests.
  Do not untar twice.
  Remove unused trait.
  Verbose messages.
  Do no use subtasks.
  Use separate tasks, not a collectionbuilder.
  Print task info.
  Fix tests.
  Check exec return val and exit code
  Check ssh exit status, not output.
  Print SSH task info.
  Fix tests.
  Fix tests for real!
  Fix tests.
  Upload package name.
  Dump log in exception.
  Improve error message.