Replaced sync XSD by custom objects

* Removed JAXB dependencies
* Added User, Message and TextMessage
* Changed version to 0.2-alpha in POM

.settings/org.eclipse.core.resources.prefs

@@ -1,8 +1,6 @@
 eclipse.preferences.version=1
 encoding//src/main/java=UTF-8
 encoding//src/main/resources=UTF-8
-encoding//src/main/xjb=UTF-8
 encoding//src/test/java=UTF-8
 encoding//src/test/resources=UTF-8
-encoding//target/generated-sources/jaxb=UTF-8
 encoding/<project>=UTF-8

.settings/org.eclipse.wst.common.component

@@ -1,13 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
-        
+            
+    
     <wb-module deploy-name="envoy-common">
-                
+                        
+        
         <wb-resource deploy-path="/" source-path="/src/main/java"/>
                 
-        <wb-resource deploy-path="/" source-path="/target/generated-sources/jaxb"/>
-        <wb-resource deploy-path="/" source-path="/src/main/xjb"/>
         <wb-resource deploy-path="/" source-path="/src/main/resources"/>
-            
-    </wb-module>
+                    
     
+    </wb-module>
+        
+
 </project-modules>