Move kernel-test harness to use the new layout of most of our apps

- Update the master template
- Import the main icon
- Import the background image
- Import the css files
Update the existing title to include a title block
Specify the version in each template
Add the `options` box on the right side of the screen if set
Put the list of current releases in the options box on the right side in the front page
Explicit the link to the wiki page