Adds javadocs, fixes formatting.

src/org/jitsi/impl/configuration/ConfigurationServiceImpl.java

@@ -1459,11 +1459,10 @@ public void purgeStoredConfiguration()
      */
     private void debugPrintSystemProperties()
     {
-        if(logger.isInfoEnabled())
+        if (logger.isInfoEnabled())
         {
-            for (Map.Entry<Object, Object> entry
-                    : System.getProperties().entrySet())
-                    logger.info(entry.getKey() + "=" + entry.getValue());
+            for (Map.Entry<Object,Object> e : System.getProperties().entrySet())
+                logger.info(e.getKey() + "=" + e.getValue());
         }
     }
 

src/org/jitsi/impl/neomedia/audiolevel/AudioLevelCalculator.java

@@ -9,12 +9,14 @@
 import org.jitsi.impl.neomedia.*;
 
 /**
+ * Implements functions which calculate audio levels such as signal power and
+ * sound pressure.
+ *
  * @author Damian Minkov
  * @author Lyubomir Marinov
  */
 public class AudioLevelCalculator
 {
-
     /**
      * The decrease percentage. The decrease cannot be done with more than this
      * value in percents.
@@ -192,7 +194,7 @@ private static int ensureLevelRange(int level, int minLevel, int maxLevel)
     {
         if (level < minLevel)
             return minLevel;
-        else if(level > maxLevel)
+        else if (level > maxLevel)
             return maxLevel;
         else
             return level;