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

========

https://hg.mozilla.org/integration/gaia-central/rev/29fe3c898750
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 1061130 - Add speed dial functionality to the Dialer. r=thills

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "33cccce9bcb773f777c63834858fbd0e5ffde9bc", 
+    "revision": "29fe3c8987501771606b75e549999cacefdaf2cc", 
     "repo_path": "integration/gaia-central"
 }