Switched lockdown key to use id_rsa
Update to sysctl task

Use an item loop to cut down on the code
Also make it actually, you know, work.
Create swap file for vagrant box
Remove codeup_rsa key from ansible config

Update README instructions; remove extraneous steps for codeup_rsa key
Remove older steps now taken care of by lamp-setup script
Modify nginx config

Default host return status 400, rather than permanent redirect to other host
Enable auto index on vagrant
Hard code Digital Ocean user to "codeup"
Modify users for SSH
Clarification in README
Made sure mysql task would use "codeup" user for Digital Ocean