Merge branch 'release/0.4.5'
Add gintenlabo to member list
Add -Z and -I options
fix a bit of typo
Merge pull request #64 from rimms/update_cmds

Update Command Options
Merge pull request #62 from gintenlabo/add-gintenlabo-to-member-list

Add gintenlabo to member list
Merge branch 'master' into develop
Add -m option
Add api reference files for nearest neighbor
Add nearest_neighbor and related additions on other interfaces
Merge pull request #65 from suma/model-option

Add model option
#67 jubagraph tutorial fails in Android
Merge branch 'master' into develop
Change relase version number to 0.5.0
Fix typos and errors
Translate nearest neighbor part
Remove init_table method for nearest neighbor
Merge branch 'release/0.5.0' of github.com:jubatus/website into release/0.5.0
Fix some expressions
Fix name of parameters (hash_num)