* Remove redundant code (display name is already evaluated in ActionRunner beforehand for each step)
* remove
* Remove nesting information for composite steps.
* put messages in debug logs if composite. if not, put these messages as outputs
* Fix group issue
* Fix end group issue
* Prepend path before locating shell tool
* Join optional prepended path to path before searching it
* Use prepended path when whiching shell tool
* Addition prependPath location
* Also use prepended paths when writing out run details
* Small tweak to undo unnecessary change