Fixed "Unsupported bootstrap protocol" when specifying --no-bootstrap

Fixed documentation for bootstrap default template ('chef-full')

Added "--ipfwd-rules PORT_RULES" option to implement createIpForwardingRule
API on static NAT
Merge pull request #51 from marbe/unsupported_bootstrap_protocol

Fixed "Unsupported bootstrap protocol" when specifying --no-bootstrap and added --ipfwd-rules option