Ubuntu2004 compile fix #1
Open
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I needed to ensure successful compilation on newer operating systems so there would be realistic alternatives to relying on the old, deprecated OpenSSL version built into the AppImage just out of architectural necessity to retain Centos/RHEL 7 support.
I also needed to provide an easier means to build updated AppImages than to maintain a VM for CentOS 7. I implemented Docker for the build out. And then I had to implement Docker for a reasonable testing strategy for confirming backwards compatibility, which is one of the core values of the project that I didn't want to abandon (just yet). At some point that AppImage is going to need to be built on a newer OS and drop the CentOS 7 support, but not just yet.c