Notes:
- Uses java 8, there can be issues in Eclipse Kepler, so we need to add support for Java 8 in Eclipse and Maven (m2e).
See https://bugs.eclipse.org/bugs/show_bug.cgi?id=420848#c18
Here's how it works for me:
Install http://build.eclipse.org/eclipse/builds/4P/siteDir/updates/4.3-P-builds
Install http://danieldietrich.net/p2/m2e/snapshot/java8/e43