mysql-test/mysql-test-run.sh  :  Add a "--comment=<string>" option, to get it logged when the test is run.


mysql-test/mysql-test-run.sh:
  Add a "--comment=<string>" option, to get it logged when the test is run.
  The purpose is to allow a better analysis when generating the status page 
  ("gen-build-status-page").
  See "Do-compile" for how it is used.