- move the try/except dance in support.py

- use relative . imports in test files
- remove the "future with import", since python < 2.6 is not supported

tests/test_settings.py

@@ -1,14 +1,10 @@
-try:
-    import unittest2
-except ImportError, e:
-    import unittest as unittest2
-
 from os.path import dirname, abspath, join
 
 from pelican.settings import read_settings, _DEFAULT_CONFIG
+from .support import unittest
 
 
-class TestSettingsFromFile(unittest2.TestCase):
+class TestSettingsFromFile(unittest.TestCase):
     """Providing a file, it should read it, replace the default values and
     append new values to the settings, if any
     """