* test=develop, change md5 for patchELF

* test=develop, update protobuf

* test=develop, update protobuf in Dockerfile used by CI

* test=develop, install requirements before start for Linux

* test=develop, uninstall protobuf on linux brefore install latest version of it

* test=develop, fix pip

* test=develop, install protobuf in linux

* test=develop, fix patch ELF install failed

* test=develop, change md5 for patchELF

* test=release/1.3, cherry-pick

test=release/1.3

test=release/1.3

test=release/1.3

Fix lstm possible leak

test=release/1.3

Fix security issue

This also fixes linking to libpaddle_fluid.so built in debug mode

test=release/1.3

test=release1.3

test=release/1.3

test=develop

test=release/1.3

* Fix debug mode in fake_quantize_op
* Remove template specialization

test=release/1.3

* Fix debug mode in prior_box_op
* Refine code

test=release/1.3

test=release/1.3

test=develop

test=release1.3

test=release1.3

test=develop

* expose peak gpu memory API to python test=develop

* add unittest for peak gpu memory monitoring test=develop

* add pybind change test=develop

* add mutex to gpu mem usage monitor test=develop

* update benchmark flag definition file test=develop

* tweak unittest for memory monitoring test=develop

test=develop

test=develop