Exit with an error on the first transfer error instead of continuing to
do the rest of the URLs.

Discussion: https://curl.haxx.se/mail/archive-2016-11/0038.html

See MANPAGE.md for the description of how this works. Each command line
option is now described in a separate .d file.

to consider ECONNREFUSED as a transient error.

Closes #1064

Reported-by: Frank Gevaerts

Fully implemented with the NSS backend only for now.

Reviewed-by: Ray Satiro

Fully implemented with the NSS backend only for now.

Reviewed-by: Ray Satiro

We're mostly saying just "curl" in lower case these days so here's a big
cleanup to adapt to this reality. A few instances are left as the
project could still formally be considered called cURL.

Fixes #1107

Reported-by: Adam Piggott

and change URL to use https

Suggested-by: Dan Jacobson
Issue: https://github.com/curl/curl/issues/1097

CVE-2016-8622

Bug: https://curl.haxx.se/docs/adv_20161102H.html
Reported-by: Cure53

- Wrap more words with underscores in backticks.

Follow-up to 13f49133.

words with underscore need to be within `these`

Bug: https://github.com/curl/curl-www/issues/19
Reported-by : Jay Satiro

To make it render better on the web site, at the price of it becoming
slightly less readable as text.

- Clarify that this option is only for HTTP/1.1 pipelining.

Bug: https://github.com/curl/curl/issues/1059
Reported-by: Jeroen Ooms

Assisted-by: Daniel Stenberg

Closes #927

Closes #893

- we allow the security push up to 48 hours before the release

- add a mention about possible pre-notifications

- lower case the 'curl-security' title

Closes #1088

See #1084

Brought in 1ad2bdcf. Now does HTTPS by default and needs -k to
fall back to plain HTTP.

Also heavily edited for content. Removed lots of old cruft that we added
like 10+ years ago that is likely incorrect by now.

Also removed INSTALL.devcpp for same reason.

The tool was never called cURL, only the project. But even so, we have
more and more over time switched to just use lower case.