Merge branch 'master' of ssh://scikit-learn.git.sourceforge.net/gitroot/scikit-learn/scikit-learn

scikits/learn/cross_val.py

scikits/learn/grid_search.py

scikits/learn/setup.py

scikits/learn/sparse/svm.py

scikits/learn/sparse/tests/test_svm.py

scikits/learn/src/libsvm/_libsvm.c

scikits/learn/src/libsvm/_libsvm.pyx

scikits/learn/src/libsvm/libsvm_helper.c

scikits/learn/svm.py