Bumping gaia.json for 1 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/ceb00a056c27
Author: Corey Frang <gnarf37@gmail.com>
Desc: Bug 933282 - Dead spot in alarm-item label - r=jugglinmike

- Add pointer-events: none; and overflow: hidden; to the container for the analog clock to stop the rotating second hand from having its box flow over the clickable region for the alarm edit

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "37e5a35822f7bc7ac787c28d54b94a60e3c81852", 
+    "revision": "ceb00a056c275d4352122e8bf58491d2858ff60e", 
     "repo_path": "/integration/gaia-central"
 }