Github user bzz commented on the issue:
https://github.com/apache/zeppelin/pull/1123
@khalidhuseynov what about latest CI failure on this PR? Licence check is
failing the build
```
[ERROR] Failed to execute goal org.apache.rat:apache-rat-plugin:0.11:check
(verify.rat) on project zeppelin: Too many files with unapproved license: 1 See
RAT report in: /home/travis/build/apache/zeppelin/target/rat.txt -> [Help 1]
[ERROR]
[0K$ cat target/rat.txt
*****************************************************
Summary
-------
Generated at: 2016-07-05T00:01:36+00:00
Notes: 2
Binaries: 148
Archives: 0
Standards: 91
Apache Licensed: 90
Generated Documents: 0
JavaDocs are generated and so license header is optional
Generated files do not required license headers
1 Unknown Licenses
*******************************
Unapproved licenses:
zeppelin-examples/zeppelin-example-horizontalbar/src/main/resources/example/app/horizontalbar/horizontalbar_mockdata.txt
*******************************
Archives:
```
?
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