Parallel execution of workflow steps
Revert overriding changes unrelated to paralell ex
Revert step first workflow strategy changes
Make dispatch throw exception on failure
Update i18n for key storage
Add valueConversion renderingOption for auto loading storage data
Create resolver for generic plugins
Support custom plugin props in script node exec/file copiers

* use a conventional project/framework property making for the property
  configs
* Allow renderingOptions to be defined for script plugin config
  properties
* support valueConversion rendering option to load storage values
Allow node attributes as instance scope data for script plugins
Support script-based node execu plugin custom properties for #979
File storage tree handles native path separators for #978
Use preset var dir for storage tree config not dynamic #980

* first launch of launcher will not have a framework.properties, causing
* a '${framework.var.dir}' dir to be created
Cleanup input stream when reading jar
Generate a remote copy destination path for #981
Merge branch 'issue/981-script-based-file-copy-destination' into development
Add toString
Script-based plugin use ExecArgList for cleaner local exec interface
Fix example in ssh-script-plugin readme
Close filestream after copying file fixes #977
Change warn to debug for failed file delete