Better encapsulation of entity engine multitenant setting.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1620120 13f79535-47bb-0310-9956-ffa450edef68
Small improvement to UtilCache - allow a component to specify its own cache settings file.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1620244 13f79535-47bb-0310-9956-ffa450edef68
Small code cleanup in UtilCache.java.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1620249 13f79535-47bb-0310-9956-ffa450edef68
Merged latest trunk changes


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/branches/framework-api-cleanup@1620260 13f79535-47bb-0310-9956-ffa450edef68