Fix for sudo to another non-root user (issue #353)

mktemp creates the temp directory 700 only.  If the sudo-user is not
root, the other user will not be able to run the command (Permission
denied error).  This adds the executable bit for all on the temp
directory.

lib/ansible/runner.py

@@ -666,6 +666,9 @@ class Runner(object):
 
         result, err = self._exec_command(conn, cmd, None, sudoable=False)
         cleaned = result.split("\n")[0].strip() + '/'
+        if self.remote_user != 'root':
+            cmd = 'chmod a+x %s' % cleaned
+            result, err = self._exec_command(conn, cmd, None, sudoable=False)
         return cleaned