update libraries version
Merge branch 'master' into develop
Merge branch 'master' into develop
add more information to README
rmove empty line
Add DYLD_LIBRARY_PATH for mac environment
check writability to directories used (fix #15)
Merge branch 'master' into develop
update to jubatus 0.4.2, jubatus_msgpack-rpc 0.4.1
add ChangeLog
Merge branch 'release/0.4.2'