fix for issue #129
deleate clear method in after_load function.
use MeCab::Model to make mecab_splitter thread safe

add multithread test

change split method to constant
Merge pull request #128 from jubatus/feature/thread-safe-mecab

Use MeCab::Model to make mecab_splitter thread safe
add catching exceptions
use for instead of map
implements set_config and get_config with zookeeper.
jubaconfig is a command line tool that set/get config data from zookeeper.
Refactor jubatus framework

Added server_base and server_halper, and removed jubatus_serv.
Also separated mixer interface.
TODO: jenerator is not fixed. Impl of servers are changed by hand.
Throw exception when converter config is empty: fix #127
Fix global_id_generator for support 32bit environment: fixes #135
Remove dupulicated include
Write linear_mixer test for mixing order.
Add TBD comment for server_helper::get_status specification
Fix util::get_machine_status to return size of virtual memory in kb: fixes #133
Modify README.rst: #133
Merge pull request #141 from unnonouno/feature/linear-mixer-test

Write linear_mixer test for mixing order. Fixes #110.
Fix get_machine_status returns a byte unit: #133
Fix jenerator to suport new server_base. fix #139
Replace server codes and keeper codes with automatically generated ones.
Merge pull request #144 from unnonouno/feature/fix-jenerator

Feature/fix jenerator
change convert method to conver_and_update_weight
add convert method