diff --git a/agent/src/main/scala/se/callista/loganalyzer/agent/LogAgent.scala b/agent/src/main/scala/se/callista/loganalyzer/agent/LogAgent.scala
index f5eba97..57d8d63 100644
--- a/agent/src/main/scala/se/callista/loganalyzer/agent/LogAgent.scala
+++ b/agent/src/main/scala/se/callista/loganalyzer/agent/LogAgent.scala
@@ -6,7 +6,10 @@ import akka.actor.{Actor, ActorRef, ActorLogging}
 import akka.util.duration._
 import se.callista.loganalyzer.{AccessLog, ConfirmationMessage, LogMessage, HandleUnprocessedLogs}
 
-class LogAgent(hostname: String, server: ActorRef) extends Actor with ActorLogging {
+class LogAgent(
+    val hostname: String, // hostname of the agent
+    val server: ActorRef // actor reference to the log service
+  ) extends Actor with ActorLogging {
 
   def receive = {
     case None => // replace this row
diff --git a/common/src/main/scala/se/callista/loganalyzer/AccessLog.scala b/common/src/main/scala/se/callista/loganalyzer/AccessLog.scala
new file mode 100644
index 0000000..b8f2784
--- /dev/null
+++ b/common/src/main/scala/se/callista/loganalyzer/AccessLog.scala
@@ -0,0 +1,18 @@
+package se.callista.loganalyzer
+
+import java.text.SimpleDateFormat
+import java.util.Date
+
+case class AccessLog(
+  ip: String,
+  timestamp: Date,
+  method: String,
+  path: String,
+  statusCode: Int,
+  size: Int) {
+  
+  override def toString = {
+    val formatter = new SimpleDateFormat("dd/MMM/yyyy:HH:mm:ss Z")
+    ip + " - - [" + formatter.format(timestamp) + "] " + method + " " + path + " " + statusCode + " " + size
+  }
+}
diff --git a/common/src/main/scala/se/callista/loganalyzer/ConfirmationMessage.scala b/common/src/main/scala/se/callista/loganalyzer/ConfirmationMessage.scala
new file mode 100644
index 0000000..e7ddcb6
--- /dev/null
+++ b/common/src/main/scala/se/callista/loganalyzer/ConfirmationMessage.scala
@@ -0,0 +1,3 @@
+package se.callista.loganalyzer
+
+case class ConfirmationMessage(id: Int)
\ No newline at end of file
diff --git a/common/src/main/scala/se/callista/loganalyzer/Count.scala b/common/src/main/scala/se/callista/loganalyzer/Count.scala
index 53e5930..0f3e730 100644
--- a/common/src/main/scala/se/callista/loganalyzer/Count.scala
+++ b/common/src/main/scala/se/callista/loganalyzer/Count.scala
@@ -1,23 +1,9 @@
 package se.callista.loganalyzer
 
 case class Count(
-  status: HttpStatus,
+  status: HttpStatus, // Success, ClientError or ServerError
   count: Int) {
 
   def toJson = "{ \"status\":\"%s\", \"count\": %s }".format(status, count)
   
 }
-
-abstract class HttpStatus 
-
-case object Success extends HttpStatus {
-  override def toString = "success"
-}
-
-case object ClientError extends HttpStatus{
-  override def toString = "clientError"
-}
-
-case object ServerError extends HttpStatus{
-  override def toString = "serverError"
-}
diff --git a/common/src/main/scala/se/callista/loganalyzer/HandleUnprocessedLogs.scala b/common/src/main/scala/se/callista/loganalyzer/HandleUnprocessedLogs.scala
new file mode 100644
index 0000000..adedaea
--- /dev/null
+++ b/common/src/main/scala/se/callista/loganalyzer/HandleUnprocessedLogs.scala
@@ -0,0 +1,6 @@
+package se.callista.loganalyzer
+
+/**
+ * Use this object to trigger LogAgent to handle unprocessed logs
+ */
+case object HandleUnprocessedLogs
\ No newline at end of file
diff --git a/common/src/main/scala/se/callista/loganalyzer/HttpStatus.scala b/common/src/main/scala/se/callista/loganalyzer/HttpStatus.scala
new file mode 100644
index 0000000..befced0
--- /dev/null
+++ b/common/src/main/scala/se/callista/loganalyzer/HttpStatus.scala
@@ -0,0 +1,15 @@
+package se.callista.loganalyzer
+
+abstract class HttpStatus 
+
+case object Success extends HttpStatus {
+  override def toString = "success"
+}
+
+case object ClientError extends HttpStatus{
+  override def toString = "clientError"
+}
+
+case object ServerError extends HttpStatus{
+  override def toString = "serverError"
+}
diff --git a/common/src/main/scala/se/callista/loganalyzer/LogMessage.scala b/common/src/main/scala/se/callista/loganalyzer/LogMessage.scala
index 31c311d..828bbe7 100644
--- a/common/src/main/scala/se/callista/loganalyzer/LogMessage.scala
+++ b/common/src/main/scala/se/callista/loganalyzer/LogMessage.scala
@@ -3,23 +3,4 @@ package se.callista.loganalyzer
 import java.util.Date
 import java.text.SimpleDateFormat
 
-case class AccessLog(
-  ip: String,
-  timestamp: Date,
-  method: String,
-  path: String,
-  statusCode: Int,
-  size: Int) {
-  
-  
-  override def toString = {
-    val formatter = new SimpleDateFormat("dd/MMM/yyyy:HH:mm:ss Z")
-    ip + " - - [" + formatter.format(timestamp) + "] " + method + " " + path + " " + statusCode + " " + size
-  }
-}
-
-case class LogMessage(host: String, id: Int, log: AccessLog)
-
-case class ConfirmationMessage(id: Int)
-
-case object HandleUnprocessedLogs
\ No newline at end of file
+case class LogMessage(host: String, id: Int, log: AccessLog)
\ No newline at end of file
diff --git a/server/src/main/scala/se/callista/loganalyzer/server/Database.scala b/server/src/main/scala/se/callista/loganalyzer/server/Database.scala
index 777cc17..c665707 100644
--- a/server/src/main/scala/se/callista/loganalyzer/server/Database.scala
+++ b/server/src/main/scala/se/callista/loganalyzer/server/Database.scala
@@ -22,7 +22,7 @@ abstract class Database {
   def latestTwenty: Seq[AccessLog] = {
    (for( (_,keys) <- timeline.takeRight(20); key <- keys) yield logs(key) ).toList.take(20)
   }
-} 
+}
 
 object StableDatabase extends Database 
 
diff --git a/server/src/main/scala/se/callista/loganalyzer/server/LogServer.scala b/server/src/main/scala/se/callista/loganalyzer/server/LogServer.scala
index 6fc939e..95b32b4 100644
--- a/server/src/main/scala/se/callista/loganalyzer/server/LogServer.scala
+++ b/server/src/main/scala/se/callista/loganalyzer/server/LogServer.scala
@@ -4,7 +4,9 @@ import akka.actor._
 import akka.actor.SupervisorStrategy.Restart
 import se.callista.loganalyzer._
 
-class LogServer(presenter: ActorRef) extends Actor with ActorLogging {
+class LogServer(
+    val presenter: ActorRef // actor reference to the presenter
+  ) extends Actor with ActorLogging {
   
   def receive = {
     case None => // replace this row
diff --git a/server/src/main/scala/se/callista/loganalyzer/server/StatusCounter.scala b/server/src/main/scala/se/callista/loganalyzer/server/StatusCounter.scala
index f5eed7b..adaae7b 100644
--- a/server/src/main/scala/se/callista/loganalyzer/server/StatusCounter.scala
+++ b/server/src/main/scala/se/callista/loganalyzer/server/StatusCounter.scala
@@ -4,7 +4,10 @@ import scala.collection.mutable.HashSet
 import akka.actor.{Actor, ActorLogging, ActorRef}
 import se.callista.loganalyzer.{Count, HttpStatus, LogMessage}
 
-class StatusCounter(status: HttpStatus, presenter: ActorRef) extends Actor with ActorLogging {
+class StatusCounter(
+    val status: HttpStatus, // HTTP Status (Success, ClientError or ServerError)
+    val presenter: ActorRef // actor reference to the presenter 	
+  ) extends Actor with ActorLogging {
 
   def receive = {
     case None => // replace this row 
diff --git a/server/src/main/scala/se/callista/loganalyzer/server/WebSocketPresenter.scala b/server/src/main/scala/se/callista/loganalyzer/server/WebSocketPresenter.scala
index d7b56ea..d4ac11a 100644
--- a/server/src/main/scala/se/callista/loganalyzer/server/WebSocketPresenter.scala
+++ b/server/src/main/scala/se/callista/loganalyzer/server/WebSocketPresenter.scala
@@ -2,8 +2,7 @@ package se.callista.loganalyzer.server
 
 import scala.collection.mutable.Map
 import akka.actor.Actor
-import se.callista.loganalyzer.Count
-import se.callista.loganalyzer.HttpStatus
+import se.callista.loganalyzer.{Count, HttpStatus}
 import unfiltered.netty.websockets.WebSocket
 
 /**