Minor fixes to help integration of CORD-912

Change-Id: I8dd69bf2eae091ca60bbbfbfebce465405662a58
diff --git a/roles/prereqs-common/defaults/main.yml b/roles/prereqs-common/defaults/main.yml
index 1425db4..6c66757 100644
--- a/roles/prereqs-common/defaults/main.yml
+++ b/roles/prereqs-common/defaults/main.yml
@@ -17,7 +17,7 @@
   - 199.7.91.13
 
 http_dl_url: "http://cord.staging.wpengine.com/wp-content/uploads/2016/07/cord-tm-logo.png"
-http_dl_cksum: "sha256:9a69c741a4bb609ad7e49bd0fd335a95db2e66dc0d72866569e11385df9dcc28"
+http_dl_cksum: "sha256:099c777e4c8ad76a066299159622b4fa6bd2515cefafc2851df67f7f4cce6ee8"
 
 https_dl_url: "https://jenkins.opencord.org/static/8d0f081d/images/headshot.png"
 https_dl_cksum: "sha256:690e82fb98ffb2b4b232d9b9cf9cc52eb7972e56a84902f6d1150b75456058c6"
diff --git a/roles/prereqs-common/tasks/main.yml b/roles/prereqs-common/tasks/main.yml
index 642a1b4..f9ac2cd 100644
--- a/roles/prereqs-common/tasks/main.yml
+++ b/roles/prereqs-common/tasks/main.yml
@@ -43,10 +43,14 @@
     url: "{{ http_dl_url }}"
     checksum: "{{ http_dl_cksum }}"
     dest: /tmp/http_dl_check
+  retries: 3
+  delay: 1
 
 - name: HTTPS Download Check
   get_url:
     url: "{{ https_dl_url }}"
     checksum: "{{ https_dl_cksum }}"
     dest: /tmp/https_dl_check
+  retries: 3
+  delay: 1