Add support for java 11, the default in debian buster 10 #386
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When trying to implement the current master branch in our setup, I noticed the facts don't work for debian buster since the output format of the default openjdk 11 command "java -version" changed. I added a condition to check the format, and see if it starts with 1 (like in 1.8.0_144) or the newer format with > 1 (like 11.0.4).
This adds the java version facts resolving for debian buster and should not break it for existing implementations.