The idea is to remove everything but the "HOME" link from the topnav
bar on very narrow devices, so that it doesn't look cramped. Right
now we don't have a ton of stuff in topnav, and losing the tutorial
link is annoying.
If we want to restore this feature, we should also add a link to the
tutorial in the body of the page.
A bit of Javascript was used to remove the hamburger icon when a
page doesn't have a #sidenav. This worked when sidenav-incl was
being loaded with jQuery load(), because that mechanism works
asynchronously, and #sidenav was part of the DOM before it ran.
Once we started merging HTML fragments directly into the pages, the
script got called before #sidenav was defined, so the icon was
always being removed.
One solution would be to move the script to footer-incl.html, to
follow the preferred practice of placing scripts at the bottom of
the <body>. The better solution was to move the "no-sidenav" class
from #main to <body>, so that all components can see it. This lets
us use CSS rules to hide the icon.
Replaced the link at the top of the manual. Remove reference to
old tutorial doc. Added an obsolescence notice to the top of the
old tutorial. Updated tutorial message and link in README.
Also, fixed sidenav style.
Added a SourceGen tutorial with lots of screen shots. Uses
"responsive web design" so it works well on mobile devices.
This version is using jQuery load() calls to pull in pieces, but
that causes a lot of blink when loading because the loads are
asynchronous and may not complete until after the initial page
render has finished.
Tutorial prev/next links not yet working.
