Infra 2417 - changes to ECF 2017 banner dates

Signed-off-by: Eric Poirier <eric@eclipse.org>
diff --git a/promo/promos.php b/promo/promos.php
index b0db289..c1629fe 100644
--- a/promo/promos.php
+++ b/promo/promos.php
@@ -274,10 +274,10 @@
   if ($display_ecf) {
 
     // Set the proper image depending on the date
-    if (date("Y/m/d") >= "2017/04/21" && date("Y/m/d") < "2017/05/06") {
+    if (date("Y/m/d") >= "2017/04/21" && date("Y/m/d") < "2017/05/13") {
       $ecf_image_url = "/membership/promo/images/ECF-Register-Early-square.png";
     }
-    if (date("Y/m/d") >= "2017/05/10" && date("Y/m/d") < "2017/05/24") {
+    if (date("Y/m/d") >= "2017/05/19" && date("Y/m/d") < "2017/05/26") {
       $ecf_image_url = "/membership/promo/images/ECF-Register-Now-square.png";
     }
     if (date("Y/m/d") >= "2017/06/07" && date("Y/m/d") < "2017/06/14") {