Change "samples" to "opt" in the distribution package. This change also does the following things: - make AWS script more robust: (1) can be run from anywhere, (2) eliminate the need of customize_deployment.yml. - cleanup documentation to reflect the directory structure change. - fix Managix zip to be able to directories deeper than 2 levels.
Add AWS automation scripts to asterix-server. - Allows users to customize an AWS-based instance by editing conf/aws_settings.yml and conf/instance_settings.yml. - Starts an AWS cluster, install JDK and AsterixDB automatically. - Let the default value of storage.metadata.memorycomponent.numpages adjust to the available JVM heap size.