...instead of modifying CMAKE_C/CXX_FLAGS or similar variables

Fix finding libtiff

- Add FindTemplate.cmake, _find_utils_begin.cmake and _find_utils_end.cmake
- Fix missing success messages when looking for packages
- Replace message("XXX") with message(STATUS "XXX")
- Fix issues with package names capitalization and FetchContent(...)
- Add version check to account for libraries with versions like OpenSSL (X.Y.Za)
- Renamed MS_PREFER_LOCAL_PKG to MS_PREFER_SYSTEM_PKGS
- Renamed MS_{pkg}_PREFER_LOCAL to MS_{pkg}_PREFER_SYSTEM
- Allow "alias of alias" in __create_target_aliases
- Add support for specifying multiple packages using the MS_PREFER_SYSTEM_PKGS
  variable and a comma separated list
- Add LIBS_CMAKE_NAMES to mindspore_add_pkg
- Add to_cmake_path function
- Update mindspore_add_pkg to allow for exact version match
- Generate pseudo-CMake config files for non-CMake projects

Merge pull request !30913 from Greatpan/scale_fp32_bugfix

Merge pull request !30896 from yuchaojie/op_select

Merge pull request !30850 from yuchaojie/ub_fusion2

Merge pull request !30919 from Bert0108/reduce_operators_merge

Merge pull request !30776 from lianliguang/master

Merge pull request !30774 from zhujingxuan/code_docs_scipy

Merge pull request !30925 from xiefangqi/code_docs_add_multiprocessing_chn_api

Merge pull request !30925 from xiefangqi/code_docs_add_multiprocessing_chn_api

Merge pull request !30915 from xumengjuan1/code_docs_x10

Merge pull request !30923 from yanghaoran/master

Merge pull request !30747 from zhangfanghe/code_docs_zfh_20220302_nn

Merge pull request !30747 from zhangfanghe/code_docs_zfh_20220302_nn

Merge pull request !30502 from amalyshev/onnx-gnmt-part-one

Merge pull request !30870 from zhangfanghe/code_docs_zfh_20220302_ops2

Merge pull request !30894 from caifubi/master-pynative-duplicate-actor-info