* Replacing the message_schema.xsd and the user_schema.xsd with

sync_schema.xsd.
* Added UserStatus
* Changed bindings.xml to support the UserStatus Enum properly.

src/main/java/envoy/schema/UserStatus.java

@@ -0,0 +1,22 @@
+package envoy.schema;
+
+import javax.xml.bind.annotation.XmlEnum;
+import javax.xml.bind.annotation.XmlType;
+
+/**
+ * Project: <strong>envoy-common</strong><br>
+ * File: <strong>UserStatus.java</strong><br>
+ * Created: <strong>27 Nov 2019</strong><br>
+ * 
+ * @author Maximilian K&auml;fer
+ */
+@XmlType(name = "")
+@XmlEnum
+public enum UserStatus {
+
+	ONLINE, DONOTDISTURB, AFK, OFFLINE;
+
+	public String value() { return name(); }
+
+	public static UserStatus fromValue(String v) { return valueOf(v); }
+}