Check presence of AWS keys, add local host for ansible
Correct install path for neurostars role
Unattended upgrades & useful binaries
No hosts file required, simplifying
ignore vagrant metadata files
export vars in vagrant, show if they have been defined inside the vm
printing aws key
Shutdown the whole cloudformation if ansible recipe fails
Clarified documentation, @nimiq, give it a spin
Merge pull request #3 from brainstorm/master

Clarified AWS instructions