Update snowflakes to not display the sidebar links if they are enabled in the source.

This should probably be done with a "showcase" mode.

Change-Id: If5d04786a6a49e04d4359e69fff226bedfe4b07a
Add some sanity to the font sizing.  Still not perfect.

Change-Id: Ic035bc6632437ba8155d35baf3443b7ebcfafbd8