Merge pull request #5684 from FederatedAI/dev-2.2.0

Merge FATE-v2.2.0's Upgrades

Merge pull request #5646 from FederatedAI/feature-2.1.1-update_submodule

update gitmodule file

Merge pull request #5539 from lvying0019/master

fix bugs: min-max scale公式错误修改

Merge pull request #5433 from FederatedAI/feature-2.0.0-update_doc

edit doc: update performance data of hetero_nn

Merge pull request #5255 from FederatedAI/develop-1.11.4

Update examples and doc

Merge pull request #5205 from FederatedAI/dev-2.0.0-beta

Update deployment document

Merge pull request #5169 from FederatedAI/feature-1.11.3-update_submo…

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update gitmodule

Merge pull request #4889 from FederatedAI/feature-1.11.2-update_submo…

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update submodule of eggroll

Merge pull request #4812 from FederatedAI/develop-1.11.1

Update documents

Merge pull request #4782 from FederatedAI/develop-1.11.0

fix RELEASE doc