FIX minor fix in example.
Merge branch 'master' of github.com:amueller/pystruct
FIX in GraphCRF psi, better test
MOVE test_crfs to test_grid_crfs
EXMPL some fixes for svm-as-crf example with iris.
FIX 32bit/64bit integer fix for dai inference
ENH more consistent parameter shapes for grid and graph, better tests for grid energy