Update directory structure and files related to hello module.
- Update top comment on function files to match schema used by tcar
functions.
- Previously, automation scripts related to hello module where stored
in tcar-scripts-hello directory. This update moves automation
scripts related to hello module from tcar-scripts-hello directory to
Scripts/Modules/Hello directory.
- Previously, documentation files related to hello module where stored
in tcar-scripts-hello-docs directory. This update moves automation
scripts related to hello module from tcar-scripts-hello-docs
directory to Scripts/Documentation/ directory.
- Remove COPYING file from this branch to prevent duplication of it.