enabled doctests (python 2.7 only)

VERSION

@@ -1 +1 @@
-Version 2.4.6-stable+timestamp.2013.04.15.17.58.03
+Version 2.4.6-stable+timestamp.2013.04.15.18.05.12

gluon/tests/__init__.py

@@ -11,3 +11,7 @@ from test_utils import *
 from test_contribs import *
 from test_markmin import *
 from test_web import *
+
+import sys
+if sys.version[:3] == '2.7':
+    from test_old_doctests import *