data files for testing

From: fred.mailhot <fred.mailhot@cb17146a-f446-4be1-a4f7-bd7c5bb65646>

git-svn-id: https://scikit-learn.svn.sourceforge.net/svnroot/scikit-learn/trunk@29 22fbfee3-77ab-4535-9bad-27d1bd3bc7d8

scikits/learn/ann/data/xor-trn.dat

+nin 2
+nout 1
+ndata 12
+1 0 1
+0 1 1
+0 0 0
+1 1 0
+1 0 1
+0 1 1
+0 0 0
+1 1 0
+1 0 1
+0 1 1
+0 0 0
+1 1 0