SQL-free direct table API (TableService) + lossless Avro preservation - #241

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[unchecked] unchecked conversion

[unchecked] unchecked conversion

[unchecked] unchecked conversion

[unchecked] unchecked conversion

[unchecked] unchecked conversion

[unchecked] unchecked conversion

[unchecked] unchecked call to add(E) as a member of the raw type List

[dep-ann] deprecated item is not annotated with @deprecated

[dep-ann] deprecated item is not annotated with @deprecated