website: propose additional IAM Role Actions

This will be used in help output and such later

Fix typo in documentation

Spelling mistake in comments

Added missing close-curly-brace to default value of execute_command in Chef Solo docs

builder/amazon/ebs: Add config for target AZ.

builder/virtualbox: arguments Prefix (--) was missing for (sata)portconfig

Conflicts:
	CHANGELOG.md

Fixes missing entropy in the uuid package.