saltstack/salt — pull request #6100 by halfss (2013-07-11 03:22:18+00:00)
Title: fixd bug: not stdout when cmd error and not stderr

fixed bug like this:
```
[root@test ~]# cat test.sh
exit 123
[root@test ~]# sh test.sh
[root@test ~]# echo $?
123
```
```
[root@salt salt]# salt 'test' cmd.run_stderr './test.sh'
test:
```

after fixed:
```
[root@salt salt]# salt 'test' cmd.run_stderr './test.sh'
test:
False
```