Bump apache commons libraries to fix some known bugs

Signed-off-by: Andrew DeMaria <lostonamountain@gmail.com>

libresonic-main/pom.xml

@@ -346,12 +346,12 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-configuration2</artifactId>
-            <version>2.1</version>
+            <version>2.1.1</version>
         </dependency>
         <dependency>
             <groupId>commons-beanutils</groupId>
             <artifactId>commons-beanutils</artifactId>
-            <version>1.9.2</version>
+            <version>1.9.3</version>
             <!-- commons-configuration2 requires during runtime -->
             <scope>runtime</scope>
         </dependency>

libresonic-main/src/main/java/org/libresonic/player/service/ApacheCommonsConfigurationService.java

@@ -34,8 +34,7 @@ public class ApacheCommonsConfigurationService {
         }
         Parameters params = new Parameters();
         PropertiesConfigurationLayout layout = new PropertiesConfigurationLayout();
-        // https://issues.apache.org/jira/browse/CONFIGURATION-644
-//        layout.setHeaderComment(HEADER_COMMENT);
+        layout.setHeaderComment(HEADER_COMMENT);
         layout.setGlobalSeparator("=");
         builder = new FileBasedConfigurationBuilder<FileBasedConfiguration>(PropertiesConfiguration.class).configure(
                 params.properties()

libresonic-main/src/main/resources/log4j.properties

@@ -1,13 +0,0 @@
-# Set root logger level to WARN and its only appender to A1.
-log4j.rootLogger=WARN, A1
-
-# A1 is set to be a ConsoleAppender.
-log4j.appender.A1=org.apache.log4j.ConsoleAppender
-
-# A1 uses PatternLayout.
-log4j.appender.A1.layout=org.apache.log4j.PatternLayout
-log4j.appender.A1.layout.ConversionPattern=[%d{ISO8601}] %-5p %c - %m%n
-
-# TODO remove this once https://issues.apache.org/jira/browse/CONFIGURATION-627 is fixed
-log4j.logger.org.apache.commons.beanutils.FluentPropertyBeanIntrospector=ERROR, A1
-log4j.additivity.org.apache.commons.beanutils.FluentPropertyBeanIntrospector=false