* Fix bug where we missed injecting importer node
* moved files
* address review comments
* Add InputUriPlaceholder and OutputUriPlaceholder
* support uri placholder in v2
* lint
* test
* Preserve a test case with inputPath and outputPath usage.
* fix ut
* fix import and setup
* cleanup v2.components
* address comments
* remove InputTextFile, InputBinaryFile, OutputTextFile, OutputBinaryFile
* address review comment
* Fix bug where we missed injecting importer node
* moved files
* address review comments
* Add InputUriPlaceholder and OutputUriPlaceholder
* support uri placholder in v2
* lint
* test
* Preserve a test case with inputPath and outputPath usage.
* fix ut
* fix import and setup
* address comments
* Compile IR proto in setup.py
* compile to IR
* Fix importer node logic and lint
* cleanup and lint
* merge, undo setup.py change
* cleanup and lint
* remove currently unused code
* format _component_bridge.py
* cleanup and format
* cleanup
* upgrade protobuf in test
* restructure and test
* address review comments
* fix bug
* avoid f-strings formatting
* address review comments
* address review comments
* limit the primitive types to only int, double, and string.
* Fix test for python3.5
* use instance_schema instead of schema_title
* add v2 to setup.py
* address review comments
* move the tests closer to the code
* add more tests
* cleanup and linting
* add more tests
* fix bug on input paramter connection
* linting
* restructure tests
* fix python3.5 test failure
* support outputs.parameters placeholder
* remove pipeline decorator from v2.dsl
Chen Sun