Fetch downtime calendar on server side

Change-Id: I15fbe6b42489fa233dc0e17c31910e8a06444a3c
diff --git a/Makefile.PL b/Makefile.PL
index 8d5319d..160fbf1 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -18,6 +18,7 @@
     },
     PREREQ_PM      => {
         'Inline::C'                               => '0.82',
+        'LWP::Simple'                             => 0,
         'Getopt::Std'                             => 0,
         'Getopt::Long'                            => 0,
         'Log::Any'                                => '1.701',