Enforce license headers #4
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Having a license on the main project is important, but to avoid issues when people just copy out files a brief license template should be applied to source files as well.
This PR just uses the maven license plugin to enforce a basic header, but I think this needs some work:
Potentially it might make sense to use a custom template to avoid at least the email issue, but check the Apache license FAQ first!
(Disclaimer: IANAL.)
FWIW: when the plugin complains about missing headers, you can quickly update them by running
mvn license:format
.