Issue #228 fixed

android/Pictogram/commonlibrary/src/main/java/com/yottacode/pictogram/tools/PCBcontext.java

@@ -65,7 +65,6 @@ public  final class PCBcontext {
             throw new java.lang.AssertionError("init must be called once previously ");
         }
 
-        Log.i(PCBcontext.class.getCanonicalName(), "User set at student " + student.get_name_stu()+ (student.is_supervisor() ? " with supervisor "+student.get_name_sup():"."));
         wrapper.setToken(token);
         pcbdb = new PCBDBHelper(null, 2, student);
         pcbdb.user_online(token!=null);