Use relative import for py3
fix code style in inverted_index_storage.cpp (refs #685)
Merge pull request #712 from jubatus/py3

Use relative import for py3
eliminate random number without seed in clustering tests (fix #718)
remove unused annotations in IDL (fix #714)
Fix dead-lock caused by re-entrant lock acquisition over put_diff RPC: fixes #723
Fix RPC error handling in linear_mixer
Merge pull request #727 from jubatus/fix-718

eliminate random number without seed in clustering tests (fix #718)
fix set_label argument name to new_label (refs #706)
Return error code with `unknown error`
Merge pull request #731 from jubatus/fix-729

Fix RPC error handling in linear_mixer: fixes #729
Print log when error occurred during forwarding requests
Eliminate ADL (which is evil) from test of lof_storage
Add test for issue #721
Clear model before unpacking
Add dummy clear for clustering
Clear all model before deserializing, not on deserializing
Modify classifier_test
Merge pull request #735 from gintenlabo/clear-model-before-loading

Clear model before loading (fixes #721)
Merge pull request #733 from rimms/proxy_with_logging

Print log when error occurred during proxy is forwarding requests