Bump EPEL release rpm for RHEL 7 to 7.0-2

Change-Id: I67aca97770cd6f89072e881ae37e39d70bfaba53
diff --git a/stack.sh b/stack.sh
index d376bd9..5445ca5 100755
--- a/stack.sh
+++ b/stack.sh
@@ -234,7 +234,7 @@
     fi
     # RHEL requires EPEL for many Open Stack dependencies
     if [[ $DISTRO =~ (rhel7) ]]; then
-        EPEL_RPM=${RHEL7_EPEL_RPM:-"http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/epel-release-7-0.1.noarch.rpm"}
+        EPEL_RPM=${RHEL7_EPEL_RPM:-"http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/epel-release-7-0.2.noarch.rpm"}
     else
         EPEL_RPM=${RHEL6_EPEL_RPM:-"http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm"}
     fi