[VOTE] UIMA-DUCC 3.0.0 RC4

Hi, the UIMA-DUCC v.3.0.0 release candidate 4 is ready for voting. This version contains 4 changes since RC3: - Pullservice not providing virtual IP to JD when running in sim mode - DUCC Apache demo deployed in "sim" mode has jobs with dependencies failing - DUCC Web Server (WS) authentication

Build failed in Jenkins: UIMA-v3-sdk #427

See -- [...truncated 2.89 MB...] [INFO] Copying 3 resources [INFO] [INFO] --- maven-compiler-plugin:3.8.0:compile (default-compile) @ uimaj-json --- [INFO] Nothing to compile - all classes