Update version to 2.3.2-0-SNAPSHOT
Script content should be expanded and line endings converted

prior to invoking file copier
TODO: make token expansion optional for local file sources
File copiers do not alter source file contents
Add node property expansion test
Add test for token expansion in script string/streams
fix gitignore
Tests for LocalFileCopier
Fix behavior of file copy for #1001
Make keypair and security group configurable via ENV vars
echo output
Prevent NPE
Core logic refactored into method for reuse
ScriptURL reuses logic from ScriptFileNodeStep

* update tests to expect remote file remove command
Add ability to use_iam_profile
updated screenshot figure source
Add email settings to admin guide.

Fixes #1004
Fix passing args to script dispatch fails #1006

add test of the tool
Add multinode-vagrant-test
Pass params to sub script