FORMATTING: Improve formatting; no single-line if, use {} for if.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1482440 13f79535-47bb-0310-9956-ffa450edef68
FEATURE: Remove use of empty ArrayList/HashMap, instead using
Collections emptyList/emptyMap.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1482441 13f79535-47bb-0310-9956-ffa450edef68