fixed searn bug, added python search interface
re-fixed snapshot bug, changed type of structured_predict to remove copying
lots more comments for python interface
minor improvements to python interface
merged john
bs_vote: added mean among votes and use of logloss() to return loss
bs_vote: tests 68 and 69 added for multiclass case
scorer.cc: add --link logistic1 for f(x) -> [-1, 1] (vs [0, 1])
bs vote: removed getLoss support and avg on mean (commented)
dna demo tweaks
hogwild
hogwild demo tweak
Merge pull request #369 from pmineiro/dna_demo_fixes

dna demo tweaks
Merge pull request #368 from doxav/bs_vote_fix_and_multi

Cleaned PR: bs vote fix and multi
Merge remote-tracking branch 'upstream/master' into hogwild
demo tweak
demo tweak
Merge pull request #372 from pmineiro/hogwild

Hogwild
nn hogwild training fix + demo
maintain min/max label