py3: byteify gendoc.py
This is mostly b'' prefixing, with some cargoculting of help.py to get around
`textwrap.dedent()` and __doc__ string requirements.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true
[*.t]
indent_size = 2
indent_style = space
trim_trailing_whitespace = false