Make more lookup plugins tolerant of new variable system, with a little better 'do what I mean' logic to resolving

what happens if you get a string back as a template result.

lib/ansible/runner/lookup_plugins/random_choice.py

@@ -16,6 +16,7 @@
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
 import random
+from ansible import utils
 
 # useful for introducing chaos ... or just somewhat reasonably fair selection
 # amongst available mirrors
@@ -32,8 +33,9 @@ class LookupModule(object):
     def __init__(self, basedir=None, **kwargs):
         self.basedir = basedir
 
-    def run(self, terms, **kwargs):
-        if isinstance(terms, basestring):
-            terms = [ terms ]
+    def run(self, terms, inject=None, **kwargs):
+
+        terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject) 
+
         return [ random.choice(terms) ]