Merge pull request #45 from iandjakman/gould-relative-position-map-fix

Gould relative position map fix
add GibbsLDA++-0.2
add n_word
Merge branch 'master' of https://github.com/tttor/lab1231-sun-prj
Merge remote-tracking branch 'upstream/master'
make a method to save and load relative position map on gould