I think all I needed to do was change the .jason file as shown below:
{
"author" : "Arcitos",
"dependencies" : [ "base >= 1.1.0" ],
"description" : "Extends the way circuits and solar panels are manufactured in a simple yet challenging way. All recipes are balanced and vanilla compatible.",
"factorio_version" : "1.1",
"homepage" : "",
"name" : "SimpleSilicon",
"title" : "Simple Silicon",
"version" : "1.2.1"
}
Note that my local copy is 1.2.1. I haven't tried the later version yet.
I was also getting one of the icons in the game showing up wrong. I changed the icon size as shown below in resources.lua:
icon = "SimpleSilicon/graphics/icons/quartz.png",
icon_size = 64, -- was 32
quartz.png is a 64 by 64 bit picture, not 32
I haven't checked to see if it was fixed in the later version.
I am currently using this mod in the latest version of Factorio (1.1.24) and everything still seems to work ok.