One cannot "to not x", but one can "not to x".
Avoiding split infinitives gives the added bonus that machine
translation yields better results.
setup (n/adj) vs set(v) up. We don't "I setup it" but "I set it up".
Likewise for login(n/adj) and log(v) in, backup(n/adj) and back(v) up.
Fix various code blocks in the docs
- rst markup: put codeblock markup on separate line to make it better visible / separate it from normal text colons.
- borg help texts in archiver.py: put codeblock markup instead of colon - that way it looks like a single colon when using the cli help and also works as code block markup.