version that seem to work with Mars, however it use the global xtend

repository that may retreive unwanted xtend/xtext versions

gemoc_studio/pom.xml

@@ -51,17 +51,17 @@
         </repository>
 
         <!-- *********** Xtext related update site -->
-<!--         <repository> -->
-<!--             <id>xtext all releases</id> -->
-<!--             <layout>p2</layout> -->
-<!--             <url>http://download.eclipse.org/modeling/tmf/xtext/updates/releases/</url> -->
-<!--         </repository> -->
-        <!-- refinement from "xtext all releases" -->
-        <repository> <!-- strange : required by fr.inria.aoste.timesquare.ccslkernel.solver.priorities.editor.feature.feature.group -->
-            <id>xtext releases 2.8.4</id>
+        <repository>
+            <id>xtext all releases</id>
             <layout>p2</layout>
-            <url>http://download.eclipse.org/modeling/tmf/xtext/updates/releases/2.8.4/</url>
+            <url>http://download.eclipse.org/modeling/tmf/xtext/updates/releases/</url>
         </repository>
+        <!-- refinement from "xtext all releases" -->
+<!--         <repository> strange : required by fr.inria.aoste.timesquare.ccslkernel.solver.priorities.editor.feature.feature.group -->
+<!--             <id>xtext releases 2.8.4</id> -->
+<!--             <layout>p2</layout> -->
+<!--             <url>http://download.eclipse.org/modeling/tmf/xtext/updates/releases/2.8.4/</url> -->
+<!--         </repository> -->
 
         <!-- *********** -->
         <repository>
@@ -135,8 +135,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>2.5</version>
 				<configuration>
-					<source>1.7</source>
-					<target>1.7</target>
+					<source>1.8</source>
+					<target>1.8</target>
 					<encoding>${project.build.sourceEncoding}</encoding>
 				</configuration>
 			</plugin>

pom.xml

@@ -9,13 +9,20 @@
 	</modules>
 
     <properties>
-		<tycho-version>0.21.0</tycho-version>
+		<tycho-version>0.22.0</tycho-version>
 		<project.build.sourceEncoding>UTF8</project.build.sourceEncoding>
 	</properties>
 
   	<repositories>
   	<!-- List of P2 repositories of external tool used to build the components -->
   	<!--  must NOT include the repositories of the tools included in the Studio has it has its own complementary list -->
+
+        <!-- Luna is maintained only for compilation, must be removed ASAP -->
+        <repository>
+            <id>Luna release</id>
+            <layout>p2</layout>
+            <url>http://download.eclipse.org/releases/luna/201502271000</url>
+        </repository>
         <repository>
             <id>Mars release</id>
             <layout>p2</layout>
@@ -46,11 +53,11 @@
             <layout>p2</layout>
             <url>http://melange-lang.org/updatesite/</url>
         </repository>
-        <!-- <repository>
+        <repository>
             <id>Sirius</id>
             <layout>p2</layout>
-            <url>http://download.eclipse.org/sirius/updates/nightly/2.0.x/luna</url>
-        </repository>-->
+            <url>http://download.eclipse.org/sirius/updates/releases/3.1.4/mars</url>
+        </repository>
         <repository>
             <id>umldesigner</id>
             <layout>p2</layout>
@@ -185,8 +192,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>2.5</version>
 				<configuration>
-					<source>1.7</source>
-					<target>1.7</target>
+					<source>1.8</source>
+					<target>1.8</target>
 					<encoding>${project.build.sourceEncoding}</encoding>
 				</configuration>
 			</plugin>