/bin/sh: 1: source: not found on HP lefthand initialization

[Petr Michalec]

first time run from salt get. Better to specify credentials in the cinder command, use bash or use "." instead of `source`.

```
----------
          ID: cinder_type_create_hp-lefthand
    Function: cmd.run
        Name: source /root/keystonerc; cinder type-create lh-nr10-7k2
      Result: False
     Comment: Command "source /root/keystonerc; cinder type-create lh-nr10-7k2" run
     Started: 20:55:04.678911
    Duration: 1178.816 ms
     Changes:
              ----------
              pid:
                  19570
              retcode:
                  1
              stderr:
                  /bin/sh: 1: source: not found
                  ERROR: You must provide a user name through --os-username or env[OS_USERNAME].
              stdout:
----------
          ID: cinder_type_update_hp-lefthand
    Function: cmd.run
        Name: source /root/keystonerc; cinder type-key lh-nr10-7k2 set volume_backend_name=hp-lefthand
      Result: False
     Comment: One or more requisite failed: cinder.controller.cinder_type_create_hp-lefthand
     Started:
    Duration:
     Changes:
```