Added user deployer to sudoers

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Added lowmemorybox setting for base pattern to lighten compile-time mem allocs

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Added spell USE flag for php installations

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Converted iptables files into an erb template

Also, removed the default 'web' iptables type. Now all nodes must specify the
type of iptable rules to implement.

Signed-off-by: Byron Sanchez <byron@hackbytes.com>
Made iptables type argument optional

If no type is specified, the node will be extremely locked down, allowing almost
no incoming connections.

Signed-off-by: Byron Sanchez <byron@hackbytes.com>