Improve docker build process
Improve docker build process

No more fragging all the binaries just to do a "clean" docker build (we
don't even add those).  Instead, we just force the version/build.go file
to get regenerated.

uoregon-libraries/rais-image-server,uoregon-libraries/rais-image-server,uoregon-libraries/rais-image-server,uoregon-libraries/rais-image-server