[close #712] Filter out META-INF/LICENSE when packaging

[jiaminglu]

Fixes duplicated files in the resulting jar archieve.

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 37.90%. Comparing base (dda1029) to head (585fb3e). :warning: Report is 15 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #713      +/-   ##
============================================
- Coverage     38.09%   37.90%   -0.20%     
+ Complexity     1613     1605       -8     
============================================
  Files           278      278              
  Lines         17462    17469       +7     
  Branches       1984     1986       +2     
============================================
- Hits           6653     6622      -31     
- Misses        10154    10186      +32     
- Partials        655      661       +6     

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