towards doing devlin's stuff.
DevlinTransform
the gradient's off by more than I'm usually comfortable with, but
I think it's ok.
attempt at Devlin's updating scheme.
more devlin stuff
pick (& fix) correct caching of splits in LatentParserModel
messing with how the best oracle parse is chosen.
Merge branch 'master' of github.com:dlwh/epic
tweaks to oracle parser
Merge branch 'master' of github.com:dlwh/epic
Merge branch 'master' into devlin
Merge remote-tracking branch 'origin/devlin' into devlin