added apache commons collections version 4.4

src/main/java/ch/unibas/dmi/dbis/cs108/sebaschi/CentralServerData.java

@@ -0,0 +1,8 @@
+package ch.unibas.dmi.dbis.cs108.sebaschi;
+
+/**
+ * This Class represents
+ */
+public class CentralServerData {
+
+}

src/main/java/ch/unibas/dmi/dbis/cs108/sebaschi/GameSessionData.java

@@ -0,0 +1,5 @@
+package ch.unibas.dmi.dbis.cs108.sebaschi;
+
+public class GameSessionData {
+
+}