Merge branch 'develop'

* develop:
  complete presets closes #7
  unit tests for presets refs #7
  tests for config refs #8
  completions of "keybase config" keys and true/false values closes #8
  fixed typo, clarified directory signing
  Changelog added
  sorted subcommands after long version of subcommand
  cleanup Completion test lib
  fix in lib where warnings are dumped onto the prompt when calling compopt
  fixed little errors and added explanation to verifying releases
  assertions get completed - at least the front part closes #6
Version 1.2
Merge branch 'master' into develop

* master:
  Version 1.2