write the goal and steps
Merge branch 'segment-sorter-init'
do cluster region k-means
Merge branch 'segment-sorter-cluster-region'
Merge remote-tracking branch 'upstream/master' after updating gould
clean gould relative position map code
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
Merge pull request #46 from iandjakman/gould-relative-position-map-fix

Gould relative position map fix
add util region
resolve conflict in readme
Merge pull request #47 from jogie/util_sorter

Util sorter
make gibbslda compatible data format
Merge branch 'segment-sorter-make-gibbslda-data'
fix msgs
apply lda: init test