Check existing IDs when loading model file for jubaanomaly
Fix build error with zookeeper
Remove free_long and free_double
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 minor errors
Add test for ID check in anomaly_base
Use lexical_cast and try-catch for ID check
Remove unnecessary ifdef for ZooKeeper
Remove unnecessary ifdef for ZooKeeper
Fix test bug in lexical_cast
Merge pull request #661 from hido/check_IDs_when_loaded

Check existing IDs when loading model file for jubaanomaly
install core/clustering hpp files
Merge pull request #678 from jubatus/install-clustering-hpp

Install core/clustering headers
Merge branch 'master' into develop
bump version
Merge branch 'release/0.5.2'
Merge branch 'release/0.5.2' into develop
fix code style
bump RPM packaging version