Fixed some normal priority warnings by FindBugs

svn changeset:13463/svn branch:6.3

src/com/vaadin/terminal/gwt/client/DateTimeService.java

         if (resolution == RESOLUTION_MONTH) {
             return (start <= target && end >= target);
         }
-        start += s.getDate() * 1000000;
-        end += e.getDate() * 1000000;
-        target += date.getDate() * 1000000;
+        start += s.getDate() * 1000000l;
+        end += e.getDate() * 1000000l;
+        target += date.getDate() * 1000000l;
         if (resolution == RESOLUTION_DAY) {
             return (start <= target && end >= target);
         }
-        start += s.getHours() * 10000;
-        end += e.getHours() * 10000;
-        target += date.getHours() * 10000;
+        start += s.getHours() * 10000l;
+        end += e.getHours() * 10000l;
+        target += date.getHours() * 10000l;
         if (resolution == RESOLUTION_HOUR) {
             return (start <= target && end >= target);
         }
-        start += s.getMinutes() * 100;
-        end += e.getMinutes() * 100;
-        target += date.getMinutes() * 100;
+        start += s.getMinutes() * 100l;
+        end += e.getMinutes() * 100l;
+        target += date.getMinutes() * 100l;
         if (resolution == RESOLUTION_MIN) {
             return (start <= target && end >= target);
         }

src/com/vaadin/terminal/gwt/server/DragAndDropService.java

                     + " must implement DropTarget");
             return;
         }
-        if (owner == null) {
-            System.err.println("DropHandler owner is null");
-            return;
-        }
+        // owner cannot be null here
 
         DropTarget dropTarget = (DropTarget) owner;
         lastVisitId = (Integer) variables.get("visitId");

src/com/vaadin/ui/GridLayout.java

 
                             // Removes the cellUsed key as it has become
                             // obsolete
-                            cellUsed.remove(new Integer(curx));
+                            cellUsed.remove(Integer.valueOf(curx));
                         }
                     } else {
 

src/com/vaadin/ui/Table.java

         if (width < 0) {
             columnWidths.remove(columnId);
         } else {
-            columnWidths.put(columnId, new Integer(width));
+            columnWidths.put(columnId, Integer.valueOf(width));
         }
     }