BLD: remove network tests from 3.2 build

Author: jreback

.travis.yml

@@ -71,7 +71,7 @@ matrix:
     allow_failures:
       - python: 3.2
         env:
-        - NOSE_ARGS="not slow and not disabled"
+        - NOSE_ARGS="not slow and not network and not disabled"
         - FULL_DEPS=true
         - CLIPBOARD_GUI=qt4
         - BUILD_TYPE=pydata