diff --git a/build.gradle b/build.gradle
index 79f14951..c7c6d272 100644
--- a/build.gradle
+++ b/build.gradle
@@ -16,7 +16,7 @@ apply plugin: 'maven'
 apply plugin: 'maven-publish'
 apply plugin: 'signing'
 
-version '2.1-SNAPSHOT'
+version '2.1'
 group   'org.jason-lang'
 
 sourceCompatibility = 1.7
diff --git a/doc/tutorials/hello-bdi/Makefile b/doc/tutorials/hello-bdi/Makefile
index d0cc2eb2..eb668bd3 100755
--- a/doc/tutorials/hello-bdi/Makefile
+++ b/doc/tutorials/hello-bdi/Makefile
@@ -10,4 +10,4 @@ publish:
 	scp index.html  jomifred,jason@web.sf.net:/home/groups/j/ja/jason/htdocs/mini-tutorial/hello-bdi
 #	scp jcm.css  jomifred,jason@web.sf.net:/home/groups/j/ja/jason/htdocs/mini-tutorial/hello-bdi
 #	scp -r screens jomifred,jason@web.sf.net:/home/groups/j/ja/jason/htdocs/mini-tutorial/hello-bdi
-#	scp -r code jomifred,jason@web.sf.net:/home/groups/j/ja/jason/htdocs/mini-tutorial/hello-bdi
+	scp -r code jomifred,jason@web.sf.net:/home/groups/j/ja/jason/htdocs/mini-tutorial/hello-bdi
diff --git a/doc/tutorials/hello-bdi/code/Calendar.java b/doc/tutorials/hello-bdi/code/Calendar.java
index cccbc1e0..fdb18fc4 100644
--- a/doc/tutorials/hello-bdi/code/Calendar.java
+++ b/doc/tutorials/hello-bdi/code/Calendar.java
@@ -59,12 +59,12 @@ void initGUI() {
 
     /*
     protected void linkChangeEventToOp(JSlider source, String opName){
-		insertEventToOp(source,"stateChanged",opName);
-		source.addChangeListener((ChangeListener) getEventListenerInstance());
-	}
+        insertEventToOp(source,"stateChanged",opName);
+        source.addChangeListener((ChangeListener) getEventListenerInstance());
+    }
     */
 
-	@INTERNAL_OPERATION void updateDay(ChangeEvent ev) {
+    @INTERNAL_OPERATION void updateDay(ChangeEvent ev) {
         try {
             ObsProperty prop = getObsProperty("today");
             prop.updateValue(days[ (int)s.getValue() ]);
diff --git a/doc/tutorials/hello-bdi/code/bob.asl b/doc/tutorials/hello-bdi/code/bob.asl
index ec1c0b83..b9bc372f 100644
--- a/doc/tutorials/hello-bdi/code/bob.asl
+++ b/doc/tutorials/hello-bdi/code/bob.asl
@@ -12,7 +12,7 @@ sincere(alice).
 
 +!say(X) : today(friday)     <- .print(X,"!!!!!"); .wait(500); !say(X).
 +!say(X) : not today(monday) <- .print(X);         .wait(math.random(400)+100); !say(X).
-+!say(X)					 <- !say(X).
++!say(X)                     <- !say(X).
 
 +today(wednesday) <- .print("**** Let's slow down.... **** (only 2 intentions)"); !enter_lazy_mode.
 +today(friday)    <- .print("**** Let's finish the work!"); !resume_all.
diff --git a/release-notes.adoc b/release-notes.adoc
index eb68b7e4..25e02e23 100644
--- a/release-notes.adoc
+++ b/release-notes.adoc
@@ -3,8 +3,16 @@
 
 ifdef::env-github[:outfilesuffix: .adoc]
 
+== version 2.1
+
+(build package available at https://sourceforge.net/projects/jason/files/jason/version%202.1/[here])
+
+- this release just fixes some bugs
+
 == version 2.0
 
+(build package available at https://sourceforge.net/projects/jason/files/jason/version%202.0/[here])
+
 *New features*
 
 - modules and namespaces, see link:doc/tech/modules-namespaces.pdf[]
diff --git a/src/main/java/jason/infra/centralised/RunCentralisedMAS.java b/src/main/java/jason/infra/centralised/RunCentralisedMAS.java
index 339f862a..3ce35daf 100644
--- a/src/main/java/jason/infra/centralised/RunCentralisedMAS.java
+++ b/src/main/java/jason/infra/centralised/RunCentralisedMAS.java
@@ -621,9 +621,9 @@ private void createThreadPool() {
             if (ag.getCyclesAct() == -1)        ag.setCyclesAct(cyclesAct);
         
             if (executor != null) {
-                executor.execute(ag);
                 if (ag instanceof CentralisedAgArchForPool)
                     ((CentralisedAgArchForPool)ag).setExecutor(executor);
+                executor.execute(ag);
             } else if (ag instanceof CentralisedAgArchAsynchronous) {
                 CentralisedAgArchAsynchronous ag2 = (CentralisedAgArchAsynchronous) ag;