Code style.
Merge branch 'fix-ShortTornadoTimeouts'
Merge branch 'fix-PEP8'
Merge branch 'v0.11'
Merge branch 'v0.11'
Merge branch 'fx-Docs'
Detection of default texteditor looks like in vipe util.

Check /usr/bin/editor, EDITOR and VISUAL environment variables. Otherwise try to use vim,
emacs or nano.
Fix broken import
Introduce chef support
Fix exit code, when keyboard interrupt is occurred
Introduce Puppet
Update docs
Improve docs about upload application using Chef/Puppet
Merge branch 'v0.11'

Conflicts:
	scripts/bash_completion.d/cocaine-tool
Merge branch 'master' of github.com:cocaine/cocaine-tools
Merge branch 'v0.11'
Use _on_read callback instead of stderr.write in DockerUpload
Introduce interactive profile editor.

>>> cocaine-tool profile edit
DockerUpload._on_read could be overriden now.

bugfix DockerUpload: if error occurs during "Docker stage", manifest will be
removed from storage.
Version bump