* test/profile_test_all.rb: refactoring memory profiling tool for
  test-all.
  Add profiling targets /proc/meminfo and /proc/self/status.
* test/runner.rb: accept other than 'true'.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e