Fix character being displayed incorrectly in hashicorp ecosystem page

builder/null: When using a Null builder, this error message is incorrect.

Remove ssh_wait_timeout from doc basic examples for virtualbox/vmware…

Add 'edit these docs' link in the website footer

Wrap SSH handshake in a timeout

Fix #2830.

wesbtei: Fix NULL builder config documentation.

Change from "host" to "ssh_host" was introduced in d545431f

Fix `packer build` reading from STDIN

Signed-off-by: Jesse Szwedko <jesse.szwedko@getbraintree.com>

helper/config: copy buildname/buildtype properly

website: Be more explicit about sequence definition usage in docker builder docs

Document shell provisioner example for FreeBSD

Detect the first public IPv4 address for Digital Ocean

builder/googlecompute: default SSH settings properly [GH-2340]

builder/amazon/instance: set valid bundle prefix [GH-2328]