[2/2] asterixdb git commit: Sonar fixes and other clean up items.

Sonar fixes and other clean up items. Change-Id: Ieb72a0fef3c181282cc4c71b881a7cb52da86818 Reviewed-on: https://asterix-gerrit.ics.uci.edu/999 Tested-by: Jenkins Integration-Tests: Jenkins Reviewed-by: Till Westmann Project: http://git-wip-us.apache.org/repos/asf/asterixdb/repo Commit: http:/

[1/2] asterixdb git commit: Sonar fixes and other clean up items.

Repository: asterixdb Updated Branches: refs/heads/master 196db5d8a -> bce1888ee http://git-wip-us.apache.org/repos/asf/asterixdb/blob/bce1888e/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/typing/PropagatingTypeEnvironment.java --