Script-based plugin setting for merging parent environment variables

[ahonor]

The script-based plugin (especially on windows) should have a setting indicating the environment variables from the parent process (aka the rundeck server process) can be inherited by the plugin script.

Currently, it provides execution context as env vars:

rundeck/core/src/main/java/com/dtolabs/rundeck/core/utils/ScriptExecUtil.java

Line 164 in 7ce2d89

final Map<String, Map<String, String>> dataContext,

[gschueler]

• adding provider setting mergeEnvironment
• adding new rundeckPluginVersion value "1.1", defaulting this value to true

name: example script-based node step plugin
version: 1.0
rundeckPluginVersion: 1.1
providers:
  - name: example-node-step
    service: WorkflowNodeStep
    title: Example Script Node Step
    description: Does nothing
    mergeEnvironment: true

The default value is false if rundeckPluginVersion: 1.0, and true if rundeckPluginVersion: 1.1 or later.