Fix/update bison tag ball so it will work on OSX 10.13/Xcode 9.2
Here is the vasnprint() gnulib patch that fixes the issue with OSX's caompiler/libs:
Add it and, update the tar ball and substitute the new tar for the one in hyrax-deps...
CI build should run and tell us about issues on Linux
Hacked. Worked on OSX 10.13 Xcode 9.2. A simple fix to one file.
CI build started and bison built - the build is still running, but bison builds first and part of the build runs the program to make some part of the documentation (and that was failing before).