- Change term 'reboot' to 'restart' as it is less techinical and more
consistent with popular interaces on desktop/mobiles.
- Updated description for power module.
- Simplify the module title to just 'Power'.
- Update the use of elipses and angular quotes as angular quotes and
elipses are both used to indicate that further user interface will be
available after pressing the button.
- Remove suprious '\' in power_reboot.html.
- Notify to the user that web interface will not be available after
reboot/shutdown.
- Redirect the user to application page after restart/shutdown. If the
page serve succeeds, they will have simply refresh/access it after
restart/shutdown after waiting or powering on.