Update the readme.txt

README.txt

 
 ScalFmm, Inria, Please read the licence.
 
-To compile:
 ---------------------------------------------------
+---------------------------------------------------
+
+To compile:
+==========
 # Go to 
 cd scalfmm/Build
 # Use cmake first by
@@ -19,8 +22,11 @@ ccmake ..
 make
 # And access executables in scalfmm/Build/Tests/{Release,Debug}/.....
 
-Build the doc
 ---------------------------------------------------
+---------------------------------------------------
+
+Build the doc:
+=============
 In scalfmm/Doc you can find several pdf and .tex file about
 the implementation, kernels and data structure.
 
@@ -32,3 +38,12 @@ make doc
 browser scalfmm/Build/Doc/html/index.html
 
 
+---------------------------------------------------
+---------------------------------------------------
+
+Getting help and having news from us:
+====================================
+
+You can subscribe to the scalfmm users mailing list ( scalfmm-public-users@lists.gforge.inria.fr,  http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/scalfmm-public-users ). Very low trafic (~ 2 mails per year) just to know when a news version or an improvement is available.
+
+Contact the developers at : scalfmm-public-support@lists.gforge.inria.fr