travis.yml must be excluded from licenses check
<exclude>**/keystore/ca/*serial</exclude><!--auto generated files-->
<exclude>**/META-INF/services/**</exclude> <!-- Interface mappings: cannot be changed -->
<!--special excludes-->
+ <exclude>.travis.yml</exclude>
<exclude>idea/ignite_codeStyle.xml</exclude>
<exclude>**/DEVNOTES*.txt</exclude>
<exclude>**/NOTICE*</exclude>
