Merge branch upstream 'develop' into feature/jubacore

Conflicts:
	src/regression/regression_factory.cpp
	src/server/anomaly_serv.cpp
	src/server/graph_serv.cpp
	src/server/recommender_serv.cpp
	src/server/stat_serv.hpp
	src/stat/mixable_stat.cpp
	src/stat/mixable_stat_test.cpp

.gitignore

@@ -16,4 +16,8 @@ callgrind.*
 *.omakedb.lock
 *.omc
 *.cmi
-*.cmx
+*.cmx
+GPATH
+GRTAGS
+GSYMS
+GTAGS

ChangeLog.rst

@@ -0,0 +1,233 @@
+
+Release 0.4.2 - 2013/03/15
+--------------------------
+
+* Improvements
+    * Feature extraction configration supports exception rules (#253)
+    * Add 'clear' method for classifier, regression and stat (#200, #279)
+    * Keeper supports configuration of session pool (#266)
+    * Add 'get_client' method for each clients (related #244)
+    * Check if thread local variables are enable in configure (#283)
+    * Output logs when server started (#258)
+    * Output logs when server received signal (#208)
+
+* Bugfix
+    * fv_converter may revert wrong feature (#247)
+    * Fix PA update equation (#254)
+    * Fix CW update equation (#277)
+    * Segfaults when point-to-point (tap) interface is installed (#273)
+    * recommender/anomaly: does not call clear() for weight manager (#282)
+    * ux_splitter plug-in does not raise error when directory is specified for dict_path (#286)
+    * #229, #263, #267, #271, #278
+
+
+Release 0.4.1 - 2013/02/15
+--------------------------
+
+* Improvements
+    * New code generator 'jenerator' for framework users (#240)
+    * Applied coding rules based on Google C++ Style Guide
+    * jubaconv accepts v0.4.x configuration format (#223, #241)
+    * jubaconfig validates JSON syntax of configuration (#226, #245)
+    * server/keeper behaves more stably in distributed mode when failed to start listening (#201)
+    * pkg-config manifest for Jubatus clients (#228)
+
+* Bugfix
+    * jubastat returns min/max from values only the current window (#238, #242)
+    * #230, #231, #233, #234, #235, #237, #248
+
+
+Release 0.4.0 - 2013/01/11
+--------------------------
+
+* New machine learning service
+    * Distributed Anomaly Detection (jubaanomaly)
+        * Calculate anomaly measure value
+
+* Improvements
+    * Change RPC implementation to msgpack-rpc based (#27)
+        * [ATTENTION] Requires jubatus-mpio and jubatus-msgpack-rpc to install
+        * Add mpidl's output converter 'mpidlconv' (#210)
+    * Remove set_config API
+        * Standalone mode: specify config file using command option '-f, --configpath'
+        * Multinode mode: store config data to Zookeeper using jubaconfig (#164)
+    * More flexible configration (#38)
+        * Support hyper-parameters (#197)
+    * Commonize name of variables and functions (#203)
+    * Add or Change command options
+        * Add bind IP address option '-b, --listen_addr' (#152)
+        * Add bind network interfance option '-B, --listen_if' (#152, #214)
+        * Check if logging directory specified by '-l, --logdir' is writeable (#206)
+        * Add verbosity of log messages option '-e, --loglevel' (#207)
+        * Add configuration file option '-f, --configpath'
+        * Change '-d, --tmpdir' to '-d, --datadir' (#198)
+    * Improve logging
+        * Not separate log file for each log level (#207)
+        * Add start save/load logs (#195)
+        * Add many debug logs
+
+* Bugfix
+    * Client symbols may conflict because of using same namespace (#84)
+    * Fix shortest_path when target is found before reaching landmark (#177)
+    * Commonize RPC return types and values (#193)
+    * Segfaults when plugin throws JUBATUS_EXCEPTION (#211)
+    * Fix classifier AROW hyper-parameter conversion (#225)
+    * #86, #184, #204, #213, #219
+
+* Refactoring
+    * #186, #187, #191, #192, #199
+
+
+Release 0.3.4 - 2012/11/26
+--------------------------
+
+* Improvements
+    * Add --logdir option
+    * Add --enable-debug option to configure (#130)
+    * Catch bad cast of fv_converter (#170)
+
+* Bugfix
+    * Plugin basename specification does not work correctly (#57)
+    * MIX put_diff/get_diff and update/analyze RPC can be executed on the same time (#171)
+    * #121, #131, #136, #150, #155, #156, #157, #160, #163, #165, #167, #172, #179, #180
+
+
+Release 0.3.3 - 2012/10/29
+--------------------------
+
+* Improvements
+    * deb package (#14)
+    * Jubatus loads plugin from default directory (#57)
+    * Add hash_max_size option to learn in fixed-size memory (#67)
+    * OS X Homebrew packaging (#116)
+    * GCC compilation version <= 4.2 when zookeeper enabled (#60)
+    * Experimental support for Clang compilation (#100)
+    * Make the timeout smaller in unittest
+    * libmecab_splitter works well in multi-thread environment, and now only support mecab ver. 0.99 or later
+    * word_splitter::split method is now constant
+    * global_id_generator(standalone-mode) for graph, that supports 32 bit environment (#135)
+    * Use (document_frequency + 1) to calculate IDF weight to avoid inifinity
+
+* Bugfix
+    * #94, #104, #106, #108, #110, #111, #113, #114, #117, #118, #124, #126, #129, #133, #138, #139, #146, #148
+
+
+Release 0.3.2 - 2012/09/21
+--------------------------
+
+* Improvements
+    * jubavisor/jubactl support jubatus server options (#75)
+    * jubadoc: document generator (.idl => .rst) (#88)
+    * jenerator: enabled -o option to specify output directory
+    * yum (RPM) packaging (#40)
+
+* Bugfix
+    * #51, #76, #77, #79, #83, #90, #91, #96, #98, #99, #100, #101, #102, #103
+
+
+Release 0.3.1 - 2012/07/20
+--------------------------
+
+* Improvements
+    * RPC enhances to many exceptions and provide new error handling interface (#49)
+    * JSON interface for set_config APIs (#44)
+    * jubavisor close zk connection correctly (#74)
+
+* Bugfix
+    * #73, #69, #66, #65
+
+
+Release 0.3.0 - 2012/06/29
+--------------------------
+
+* Improvements
+    * Distributed Graph Processing
+        * Centrality computation
+        * Shortest path search
+    * New neighbor-search algorithm for recommender: minhash
+    * installs pkgconfig file (#42, jubatus.pc)
+    * jubavisor handling signal (#53)
+    * Exception handling and error outputs (#55)
+
+* Bugfix
+    * internal API get_storage implemented again (#21)
+    * Forgot ignoring signal in keeper #47
+    * #54, #45, #15
+
+
+Release 0.2.3 - 2012/06/08
+--------------------------
+
+* Improvements
+    * Asynchronous call to multiple servers at once, both keeper and mix - common/mprpc
+    * Refactor generator
+    * Error message improve
+    * Timeout in unittest expanded
+
+* Bugfix
+    * jubactl doesn't work ver 0.2 and later #13
+    * jubavisor doesn't work on daemon mode #5
+    * Asynchronous mprpc client critical bug
+    * #47, #50, #34, #36, #37, #31, #19, and other small bugfix
+
+
+Release 0.2.2 - 2012/04/06
+--------------------------
+
+* Improvements
+    * Simpler interfaces at classifier, regression and recommender
+        * Clients are *NOT COMPATIBLE* with previous releases
+    * Now mix works concurrently in multiple threads (except tf-idf counting)
+    * Asynchronous RPC to multiple servers at once
+    * Add --version option
+    * Interface description language changed from C++-like to Annotated MessagePack-IDL
+    * Minor error handling
+    * A bit more tested than previous releases
+
+* Bugfix
+    * #30, #29, #22
+
+
+Release 0.2.1 - 2012/03/13
+--------------------------
+
+* Bugfix
+    * #28
+
+
+Release 0.2.0 - 2012/02/16
+--------------------------
+
+* New Features
+    * recommender
+        * support fast similar item search, real-time update, distributed data management
+        * inverted index : exact result, fast search
+        * locality sensitive hash : approximate result, fast search, small working space
+    * regression
+        * online SVR using passive agressive algorithm
+        * as fast as current classifier
+    * stat
+        * a Key(string)-Value(queue<double>)
+        * O(1) cost of getting sum, standard deviation, max, min, statistic moments for each queue
+    * server framework
+        * less-tightly coupled distributed processing framework with each ML implementation
+        * idl & code generator - make it easy to write own jubatus system
+        * removed public release of client libraries (so easy to generate!)
+        * multiple mix - mutiple data objects can be mixed in one jubatus system
+
+* Bugfix
+    * duplicate key entry in fv_converter breaks the parameter
+
+
+Release 0.1.1 - 2011/11/15
+--------------------------
+
+Bugfix release
+
+
+Release 0.1.0 - 2011/10/26
+--------------------------
+
+Hello Jubatus!
+
+First release: including classifier, and mix operation