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* fix test bug of id_manager multi_logst_loss_kernel pooling_kernel win_fs etc

* fix bug of preprocessor test in windows


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* initial branch and fix bugs of model_updt_kernel_test

* fix file_system_test

* updt snapshot_test


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* LOG(FATAL) to PCHECK reduce code

* PCHECK posix fs


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* change interfaces of FileSystem

* updt interfaces and posix_file_system

* updt posix_file_system

* updt filesystem interfaces

* remove Status

* updt filesystem interfaces

* resolve conflict

* un-unploaded conflicts

* fix bug in record_kernel, replace LOG with PLOG

* replace createdir with createdirifnotexist in snapshot

* remove createdirifnotexist

* updt .gitignore

* remove predict output

* roll back

* fix bug

* windows fs cpp for remove status

* change interfaces of FileSystem

* updt interfaces and posix_file_system

* updt posix_file_system

* updt filesystem interfaces

* remove Status

* updt filesystem interfaces

* resolve conflict

* un-unploaded conflicts

* fix bug in record_kernel, replace LOG with PLOG

* replace createdir with createdirifnotexist in snapshot

* remove createdirifnotexist

* updt .gitignore

* remove predict output

* roll back

* fix bug

* fix for review

* add file_system interface

* add windows and posix file system interface

* implement some method in filesystem

* remove function StatusToString and fix for review

* add stauts item for file

* add dir status

* add error code to Status

* add platform and win fs implement

* add #define for different fs

* update posix header

* delete Sync() in WriteableFile

* fix bug about platform define

* posix file system implementation and test

* delete sync method in PosixFileSystem

* remove individual posix test

* Baic file read and write test

* add directory operation test

* DIR test updt

* fix macro definition bug of win32/linux filesystem

* add windows file system and test project

* add hadoop interface

* add appendable file test

* hadoop cpp

* hadoop file system

* add file_system interface

* add windows and posix file system interface

* implement some method in filesystem

* remove function StatusToString and fix for review

* add stauts item for file

* add dir status

* add error code to Status

* add platform and win fs implement

* add #define for different fs

* update posix header

* delete Sync() in WriteableFile

* fix bug about platform define

* posix file system implementation and test

* delete sync method in PosixFileSystem

* remove individual posix test

* Baic file read and write test

* add directory operation test

* DIR test updt

* fix macro definition bug of win32/linux filesystem

* add windows file system and test project

* add hadoop interface

* add appendable file test

* hadoop cpp

* convert cmake

* add file_system interface

* add windows and posix file system interface

* implement some method in filesystem

* remove function StatusToString and fix for review

* add stauts item for file

* add dir status

* add error code to Status

* add platform and win fs implement

* add #define for different fs

* delete Sync() in WriteableFile

* fix bug about platform define

* remove tensorflow::io and tensorflow::str_util in project

* add str_util.h

* add Dirname and Str_util_test

* fix name in softmax loss test

* code wrap

* init model from snapshot

* fix bug in init model from snapshot

* fix bug of 'other_num'