Fix typo, proviate_ip -> private_ip
Merge pull request #251 from jmartelletti/fix-typo

website: Fix typo, proviate_ip -> private_ip
Require project id as otherwise it will fail with cryptic error
Fixed - allow to attach already existing disks
Added - flag to set whether disk needs to be delete or not when instance terminates
Fix some typos and grammar mistakes in the website's Use Cases section.
Cleanup of the 'Terraform vs. Custom Solutions' section.
Allow building of EC2 instances with ebs_optimized flag
fix associate_public_ip_address parameter name
Merge pull request #262 from shin1x1/master

Typo: associate_public_ip_address parameter name in resource_aws_instance.go
website: fix two tier AWS example to work with HCL

see #261
expacts -> expects. (minor)
Merge pull request #264 from icebourg/spelnig

expacts -> expects. (minor)
providers/digitalocean: if delete droplet returns 404, mark as gone
providers/digitalocean: add user_data for create droplet

fixes #267
providers/digitalocean: fix tests for region

the user_data argument doesn't exist on all regions
Merge pull request #260 from jkinred/master

providers/amazon: Allow building of EC2 instances with ebs_optimized flag
website: update docs for GH-260]
Merge pull request #257 from jlund/versus-updates

website: Cleanup of the 'Terraform vs. Custom Solutions' section
Merge pull request #256 from jlund/use-cases-updates

website: Fix some typos and grammar mistakes in the website's Use Cases section