Clarified instructions for updating and for choosing directories.
Changed updating software to backup script first.
Corrected directory for update/backup.
Change directory where cli-app-menu.sh.bak is saved.
Improved messages, documentation for updating software, usage.
Delete cli-app-menu.sh.template
Improved messages, documentation for updating software, usage.
Improved messages, comments, and fixed re-running application after install.
Merge branch 'stable'