Refactored ConfigXMLReader.java - added exception handling. The class swallowed exceptions like controller.xml file is missing or invalid - making debugging difficult. This commit introduces a WebAppConfigurationException and it propagates that exception farther up the stack.


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1534517 13f79535-47bb-0310-9956-ffa450edef68