update README.md

8 jobs for readme-and-logo in 7 minutes and 9 seconds
Name Stage Failure
failed
clang-c++98 Test There is an unknown failure, please try again
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
CMakeFiles/CoMISo.dir/build.make:302: recipe for target 'CMakeFiles/CoMISo.dir/Solver/CholmodSolver.cc.o' failed
make[2]: *** [CMakeFiles/CoMISo.dir/Solver/CholmodSolver.cc.o] Error 1
CMakeFiles/Makefile2:99: recipe for target 'CMakeFiles/CoMISo.dir/all' failed
make[1]: *** [CMakeFiles/CoMISo.dir/all] Error 2
Makefile:127: recipe for target 'all' failed
make: *** [all] Error 2
ERROR: Job failed: exit status 1