add log4cxx-based logger (refs #746)
add config for nearest_neighbor_recommender
add light_lof config
improve logger to provide feature like glog
use glog-like log syntax without configuration
method signature improvements and style fix
fix typo
Merge pull request #807 from jubatus/add-logger

add log4cxx-based logger (refs #746)
migrate from google-glog to log4cxx-based logger
add log4cxx sample configuration file
add liblog4cxx to pkg-config dependency
add liblog4cxx10-dev to travis config
fix logger to abort on FATAL log
fix include headers and pass cpplint
fix travis config to use proper branch
remove glog dependency from ux_splitter
remove glog dependency in generated code from jenerator
regenerate servers
remove glog from travis config
add missing headers