Merge pull request #41 from cyberswat/master

Adding vim.
Merge pull request #42 from cyberswat/master

Installing vim.
Merge pull request #43 from cyberswat/master

Adding nc.
Merge pull request #44 from cyberswat/master

disabling iptables for a bit.
Merge pull request #45 from cyberswat/master

Enabling iptables.
Merge pull request #46 from cyberswat/master

Commenting out iptables in lieu of security groups for now.
Merge pull request #47 from cyberswat/master

Trying iptables again.
Making iptables conditional.