Update API interfaces of English document for new IDLs
Update API interface of Japanese document for new IDLs
Remove docuemnt about set_config
update client download url
update command reference for 0.4.0
add Anomaly to IDL support
Update client API of annomaly of English document
need not to separately install msgpack-rpc-python
Update formats of API reference
fix tutorial for 0.4.0
fix config path
update usage of mpidlconv
update mpidlconv usage
Merge branch 'develop' of github.com:jubatus/website into develop
Fix reference format
Write config format of classifier
Write config format of regression
add description of mpidlconv
update requirements
bump version and copyright year