Fix  spelling in README
Scaffold for run_after in place. Missing the functionality to execute the script
Finish tests to validate run_after mechanism
Adding line-command option run-after to work as if it was configured in .conf with RUN_AFTER key
Add tests cases for run-after
Added support files to validate run_after script
Added comments to sample run_after script
Introduces RUN_AFTER_PARAMS to be used from RUN_AFTER script
Removing specific configuration examples