Make -portable work on OpenBSD; explicitly use -ltls, and dont't use PKG_CONFIG to check for a library which won't exist on OpenBSD.

The previous message steered users towards rebase; nowadays we also have a merge command and send -f. It's tricky to explain all possibilities of what to do next in a single line, but this is probably better than nothing.

If a reference cannot be created because a file is present where a directory would need to be created to accomodate the new ref's name, report a name collision rather than an obscure mkstemps ENOTDIR error. issue found by Lucas

ok op@

Bump the CI testing for FreeBSD to use 14.0

New users trying out Got for the first time have reported trouble with finding a way to create a new repository, based on their assumption that Got works like Git which provides a 'git init' command. It doesn't cost us much effort to keep this command available in both programs to make discovery a bit easier for new users coming from Git.

Found while running 'got clone' against a git9 server, after an unrelated issue was reported by Lucas on IRC, thanks! ok op@

Despite API callers not requesting it, we collect line metadata due to NULL pointer checks missing a level of indirection. Reported by Kyle Ackerman. ok op and stsp

spotted while investigating for another leak spotted by Kyle Ackerman. ok stsp@ and jamsek

They're no longer used.

at this point we can't know if the client has disconnected, we just finished parsing the fcgi parameters and started handling the reply. We'll know whether the client disconnected only later, while trying to send the page content.

in case of multiple parameters with the same name, use the last matching one.