Increase certificate saving interval again
Fix infinite loop in certificate saving
Reduce the TOFU cache save interval
Save the TOFU cache on the storage partition
Allow setting the path to the TOFU cache
Update HTML template and CSS
Add Makefile target to restart kindleto on the Kindle
Add link to the top of the page in the footer

The Kindle has no quick way to return to the top of the page so this
Use glob to select source files
Make the web root and certfile optional arguments again
Allow relative paths in the cert file
Align some header menu elements to the right
Add link to the parent page when available
Add link to the homepage
Change the help page to about
Fix building the web directory
Make the web root optional
Embed the default CSS inside the executable