Upgrade to JDK 11 (Check build, tests and runtime)

[tpiekarski]

At the moment running tests with JDK 11 fails due to following exception:

Exception in thread "main" java.lang.reflect.InvocationTargetException
1361	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
1362	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
1363	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
1364	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
1365	at java.instrument/sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:513)
1366	at java.instrument/sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:525)
1367Caused by: java.lang.RuntimeException: Class java/util/UUID could not be instrumented.
1368	at org.jacoco.agent.rt.internal_6da5971.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:140)
1369	at org.jacoco.agent.rt.internal_6da5971.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:101)
1370	at org.jacoco.agent.rt.internal_6da5971.PreMain.createRuntime(PreMain.java:55)
1371	at org.jacoco.agent.rt.internal_6da5971.PreMain.premain(PreMain.java:47)
1372	... 6 more
1373Caused by: java.lang.NoSuchFieldException: $jacocoAccess
1374	at java.base/java.lang.Class.getField(Class.java:2000)
1375	at org.jacoco.agent.rt.internal_6da5971.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:138)
1376	... 9 more
1377FATAL ERROR in native method: processing of -javaagent failed
1378Aborted (core dumped)