Keboola.component

- Added native type support for `base.create_out_table_definition_from_schema` method
- **BUGFIX** Fixed table_metadata structure from `[{"key":"value"},{"key2":"value"}]` to `{"key":"value", "key2":"value"}`
- Table description exposed on TableDef level, inserted into table_metadata for backward compatibility
- Deprecated methods `TableMetadata. add_column_metadata` and `TableMetadata.add_table_descriptions`

What's Changed
* Fix/table metadata schema support by davidesner in https://github.com/keboola/python-component/pull/69


**Full Changelog**: https://github.com/keboola/python-component/compare/1.6.7...1.6.8

- Default to the new manifest when running locally (missing KBC_STACKID env variable).
- Default to the legacy queue in KBC.

- added write_always and destination parameters in output manifest
- building_from_manifest now using using build_input_definition and build_output_definition

Fix - problem in the legacy manifest of input tables (affecting only processors editing tables from storage)

Possibility to disable native types support allowed by ENV and component by setting storage.output.data_type_support
Fix exporting input tables manifest (affecting processors before components)
Added missing attributes to input manifest