MAINT: Update setup.cfg nose version to match installation instructions

Author: effigies

setup.cfg

@@ -34,7 +34,8 @@ install_requires =
     numpy >=1.8
     six >=1.3
     bz2file ; python_version < "3.0"
-tests_require = nose
+tests_require =
+    nose >=0.11
 test_suite = nose.collector
 zip_safe = False
 packages = find:
@@ -46,7 +47,7 @@ dicom =
 doc =
     sphinx >=0.3
 test =
-    nose >=0.10.1
+    nose >=0.11
 all =
     %(dicom)s
     %(doc)s