* polish windows compile for Ninja, fix random compile fail

* polish windows compile for Ninja, fix random compile fail

* Support sccache to speed up compilation on Windows

* Support sccache to speed up compilation on Windows

1. check status of remove op grad shell scripts
2. Update paddle_build.bat to remove op grad when build windows inference lib
3. add inference demo test after build finish

* support Ninja and establish dependencies relationship between paddle with third_party

* fix CI

* support Ninja

* Unify all external API error message mechanism and enhance third-party API error msg

* fix some comment

* fix some comment

* fix ninja compilation bug on windows

* polish windows ci

* polish windows ci

* fix windows CI

* fix windows CI

* Remove paddle_custom_op dynamic libraries, change link to FLUID_CORE on windows, and check copy_to

* fix CI

* clear CUDA compile environment on windows

* fix Windows CI

* fix Windows CI

* fix Windows CI

* fix Windows CI MP compile and environment install script

* clear Windows CI environment

* clear Windows CI environment

* clear Windows CI environment

* fix error for long args

* remove unneccessary code

* added ut check on windows,notest,test=windows_ci

* debug,notest,test=windows_ci

* debug,notest,test=windows_ci

* fix bug,notest,test=windows_ci

* added ut check

* test for new ut add on windows

* test,notest,test=windows_ci

* fix bug,notest,test=windows_ci

* test

* test

* test

* test,notest,test=windows_ci

* test,notest,test=windows_ci

* check added ut on windows

* only fetch upstream develop

* modified according comment

* Update run_unittests.sh

* Update run_unittests.sh

* use busybox run test on windows openblas

* fix error

* fix disable_quick and nightly lable issue

* add retry on windows openblas

* fix bug

* use one file to run cpu and gpu tests

* fix with grep warning

* fix syntax error

* change run_unittest to run_unittest_gpu

* Update run_unittests.sh

fix error

* [Parallel UT]improve Parallel UT level on Windows/Linux

* [Parallel UT]improve Parallel UT level on Windows/Linux

* [Parallel UT]Improve Parallel UT level on Windows/Linux

* [Parallel UT]Improve Parallel UT level on Windows/Linux

* fix CI

* modify windows CI to VS2017

* modify windows CI to VS2017

* modify windows CI to VS2017

* add precision test for windows ci exclude check_added_ut

* fix error

* added PRECISION_TEST parameters

* fix format error

* fix some problem of Windows custom op

* fix some problem of Windows custom op

* fix some problem of Windows custom op

* [2.0.1]Support New Custom OP on windows

* fix CI

* fix code style

* fix CI

* fix CI

* fix coverage

* fix CI

* fix CI

* optimize unity build, test=develop

* fix code style error, test=develop

* fix code style error and test /MP settings, test=develop