Replaced unsupported cron manager with new one

app/.meteor/versions

@@ -51,6 +51,7 @@ id-map@1.1.1
 inter-process-messaging@0.1.1
 lai:collection-extensions@0.3.0
 launch-screen@1.3.0
+littledata:synced-cron@1.5.1
 localstorage@1.2.0
 logging@1.3.1
 mdg:validated-method@1.2.0
@@ -90,7 +91,6 @@ peerlibrary:reactive-publish@0.10.0
 peerlibrary:server-autorun@0.8.0
 peerlibrary:subscription-data@0.8.0
 percolate:migrations@1.0.3
-percolate:synced-cron@1.3.2
 promise@0.12.0
 raix:eventemitter@1.0.0
 random@1.2.0