acu168445 Remove full path for rs_ohai in usage information output
acu168445 update rs_log_level usage examples
acu168445 do not print current log level every time CLI tools are executed on Windows
acu168445 fix audit_period option in bundle_runner
Merge pull request #436 from rightscale/ivory_14_11_acu168445_cli_tools_fixes

Command line tools fixes