2.4.0rc1

Ilnur Garifullin c333739 Restructuring ModelVersion and LocalModel (#59)
* Add training data upload functionality
* Handle case where training data is located on s3
* Refactor modelversion.py
* Remove from_file from LocalModel. The only valid way of creating
LocalModel instance is via class instantiation.
* Delete Metricable, move functionality to ModelVersion.
* Remove uploading metrics from LocalModel.
* Improve docstrings for various methods.
* Unify requests error handling
* Update method name for external model registration
* Remove all methods for parsing dict/yaml from Application
* Add examples for main classes
* Add contract validation during LocalModel creation
* Update tests and fix bugs
* Add with_metadatas method to the ApplicationBuilder that supports dict as a parameter
* Refactoring
* Update default runtime and bump version
* Fix lint issues
Co-authored-by: techkuz [email protected]
Kuz Le 0a5961d hotfix fix application imports
Yuriy 2f5ab5b Added 5 sec timeout for grpc_server_on method (#66)

Yuriy 18c74ef Add major entities to init scope (#65)
Expose the most frequently used entities in an init.py
Yuriy 6c36f64 ApplicationBuilder (#61)

* + ApplicationBuilder, ExeccutionGraph, ExecutionStage, ExecutionSatgeBuilder, ModelVariant entities
* + New specialized exceptions for an Application module
* + New tests for an Application module
Kuz Le b9ed984 (HYD-380) Support namedtuple in PredictorsModule (#67)
* add proposal for namedtuple support
* Improve isinstance_namedtuple, add tests
* Add core.Pandas support
* Fix
* Make convert_inputs_to_tensor_proto compatible with namedtuples
Co-authored-by: Yuriy Gavrilin
Kuz Le 00a29cf Add test_tensor_proto_to_py (#63)

Yuriy dca3a2c Documentation - Updated Quickstart, Tutorial and code docstrings (#64)
* Add LICENSE
* Update tutorials
* Added info to many docstrings, changed bugs in a tutorial