Only use-profile if AWS configured

what

• Check if AWS configs exist before attempting to call use-profile

why

• See: #73
• Without this fix, if AWS cli was not configured, the shell would immediately exit
• Bug affected new users (cold-start problem)

Manage terraform apply parallelismg

What

• Manage terraform apply parallelism

Why

• Default parallelism level hits aws api request limit on huge terraform configs.

Added `sshpass`

Added sshpass (#70)

Update Terraform version to `0.10.2`

0.3.1

Update Terraform version to `0.10.2` (#68)

Disable SSH Strict Host Key Checking

Disable SSH Strict Host Key Checking