Update assembly descriptor and improves significantly the documentation

Fixes an issue in the assembly descriptor that included older
compilation binaries into assemblies.
Improved javadoc documentation in more than 150 classes, including
fixing mistakes.

src/main/java/com/l2jserver/model/server/AttackHit.java

@@ -73,6 +73,10 @@ public class AttackHit {
 		 */
 		public final byte flag;
 
+		/**
+		 * @param flag
+		 *            the bitset flag
+		 */
 		AttackHitFlag(byte flag) {
 			this.flag = flag;
 		}