Rewritten the script to work with a 'robots.txt' template file and we
generate the 'robots.txt' from the template when we execute the script.
It's found to be a better alternative to editing the 'robots.txt' file
in-place.
Specify white space for table cells
Add custom.css for docs to change pre tag styles
Specify white space for table cells
Rearrange code
Delete theme_overrides.css
Remove extra code
