TUN-528: Move cloudflared into a separate repo

vendor/github.com/mholt/caddy/dist/init/linux-upstart/README.md

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+Upstart conf for Caddy
+=====================
+
+Usage
+-----
+
+Usage in this blogpost: [Running Caddy Server as a service with Upstart](https://denbeke.be/blog/servers/running-caddy-server-as-a-service/).
+Short recap:
+
+* Download Caddy in `/usr/local/bin/caddy` and execute `sudo setcap cap_net_bind_service=+ep /usr/local/bin/caddy`.
+* Save the appropriate upstart config file in `/etc/init/caddy.conf`.
+* Ensure that the folder `/etc/caddy` exists and that the subfolder .caddy is owned by `www-data`.
+* Create a Caddyfile in `/etc/caddy/Caddyfile`.
+* Now you can use `sudo service caddy start|stop|restart`.

vendor/github.com/mholt/caddy/dist/init/linux-upstart/caddy.conf

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+description "Caddy HTTP/2 web server"
+
+start on runlevel [2345]
+stop on runlevel [016]
+
+console log
+
+setuid www-data
+setgid www-data
+
+respawn
+respawn limit 10 5
+
+reload signal SIGUSR1
+
+# Let's Encrypt certificates will be written to this directory.
+env CADDYPATH=/etc/ssl/caddy
+
+limit nofile 1048576 1048576
+
+script
+        cd /etc/ssl/caddy
+        rootdir="$(mktemp -d -t "caddy-run.XXXXXX")"
+        exec /usr/local/bin/caddy -agree -log=stdout -conf=/etc/caddy/Caddyfile -root=$rootdir
+end script

vendor/github.com/mholt/caddy/dist/init/linux-upstart/caddy.conf.centos-6

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+description "Caddy HTTP/2 web server"
+
+start on runlevel [2345]
+stop on runlevel [016]
+
+console output
+
+respawn
+respawn limit 10 5
+
+# Let's Encrypt certificates will be written to this directory.
+env CADDYPATH=/etc/ssl/caddy
+
+limit nofile 1048576 1048576
+
+script
+        cd /etc/ssl/caddy
+        rootdir="$(mktemp -d -t "caddy-run.XXXXXX")"
+        chown www-data:www-data $rootdir
+        exec sudo -u www-data /usr/local/bin/caddy -agree -log=/var/log/caddy.log -conf=/etc/caddy/Caddyfile -root=$rootdir
+end script

vendor/github.com/mholt/caddy/dist/init/linux-upstart/caddy.conf.ubuntu-12.04

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+description "Caddy HTTP/2 web server"
+
+start on runlevel [2345]
+stop on runlevel [016]
+
+console log
+
+setuid www-data
+setgid www-data
+
+respawn
+respawn limit 10 5
+
+# 12.04 upstart version does not support reload
+#reload signal SIGUSR1
+
+# Let's Encrypt certificates will be written to this directory.
+env CADDYPATH=/etc/ssl/caddy
+
+limit nofile 1048576 1048576
+
+script
+        cd /etc/ssl/caddy
+        rootdir="$(mktemp -d -t "caddy-run.XXXXXX")"
+        exec /usr/local/bin/caddy -agree -log=stdout -conf=/etc/caddy/Caddyfile -root=$rootdir
+end script