openstack: store updated accessIPv4 from RackConnect

openstack builder: support using existing keypair

openstack builder: log which IP address SSH will use

Fix example code for digital ocean builder

Remove command after size

Reformat docs using htmlbeautifier and pandoc

Updated docs on how AWS credentials are resolved

Document behavior of AWS {access,secret}_key in relation to credentia…

Update setup documentation to cover issue #1117

Fixes #2478

Added a static version of this so we can partial it into place in the layout. This prevents it from being reformatted.

- Reformat .html / .erb files
- Remove extra </div> in index.html.erb
- Add htmlbeautifier gem
- Add middleman-breadcrumbs
- Add make format (calls htmlbeautifier)

website: remove packer push var interpolation

This removes a message that is no longer accurate and fixed in https://github.com/mitchellh/packer/issues/1861

In issue #1117, the packer binary can sometimes conflict with the packer binary supplied with cracklib. This documentation update covers this and provides workarounds for affected users.

Document behavior of AWS {access,secret}_key in relation to credentials file and profile lookup via AWS_PROFILE

Fixes #2474:  Replace use of 'int' and 'uint' in website docs with 'integer' and wrap long lines

Add description of force option for docker-tag