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Closes #972 from pan3793/src-license.

Closes #972

443cd05c [Cheng Pan] Exclude unused files from source release
52271827 [Cheng Pan] Exclude unused files from source release
d475b511 [Cheng Pan] Exclude unused files from source release
e76299bd [Cheng Pan] Exclude docs from source release
2e42bc8c [Cheng Pan] Exclude whole tpcds module from source release
93b41a8c [Cheng Pan] [LICENSE] Exclude binary files from source release
Authored-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: Cheng Pan <chengpan@apache.org>