add clustering_test.cpp
revision should be initialized
add clustering_test.cpp
SetUp() in test should do SetUp repeatedly
parametized test must be used via TEST_P
add do_clustering() test
test `get_nearest_center`
add test for `get_nearest_members`
Check existing IDs when loading model file for jubaanomaly
Fix build error with zookeeper
Use pair instead of shared_ptr of pair in test
add -ljubatus_clustering to jubatus.pc.in
Merge pull request #665 from torash/bugfix/missing-ljubatus_clustering-pc

add -ljubatus_clustering to jubatus.pc.in
Fix forgetting_factor
Merge branch 'develop' into feature/test_clustering_driver
Change condition and write comment
Fix minor errors
Add test for ID check in anomaly_base
Use lexical_cast and try-catch for ID check
Remove unnecessary ifdef for ZooKeeper