Use directory resources (instead of execute) to create the sample keys directory
Fixed .bash_profile to remind the user to uncomment stuff
Added support for Autoscaling command-line tools
fixed formatting in metadata.rb
Refactored default.rb into two - common.rb and aws.rb
Updated README
Added support to update aws_tools.sh
Finished refactoring of aws.rb to use aws_tools.rb
Refactored