Make list of tags/name/values to simplify adding more tags
Check if debug compiled binaries


mysql-test/lib/mtr_cases.pl:
  Fix warnings
  Use local file handle for recursive "include file" loop
  Make list of tags/name/value to search for in .test files
  Add fileter for "require debug compiled binary"
mysql-test/lib/mtr_process.pl:
  Fix warnings
mysql-test/lib/mtr_report.pl:
  Fix warning, only print total time if "--timer"
mysql-test/mysql-test-run.pl:
  Fix warnings
  Add check of debug compiled binaries