override should be additive if possible, otherwise the "external-to-war" logger configuration can be a complete override
Similar "external-to-war" overrides are performed in SpringUtil and FinancialInitializer, so see those classes for working examples
instead of using hardcoded JDBC parameters for the MifosJDBCAppender, use values as specified in LocalPropertiesFile
JDBC appender is not tested (and not known to be used), hence, should probably be removed
remove unnecessary calls to MifosLogManager.configure(). Example: TestAccountingRules#init() calls this method, but there is no need since TestAccountingRules extends MifosTestCase, and the static initializer for MifosTestCase ends up initializing logging