Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/0e5dd903f5fe
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #22790 from awiss/branding

Bug 1052469 - [email] Update signature default to use proper brand r=jrburke

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https://hg.mozilla.org/integration/gaia-central/rev/2d1c4ba63a69
Author: Alex Wissmann <awiss@wharton.upenn.edu>
Desc: Bug 1052469 - [email] Update signature default to use proper brand

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "b74497e7589a5efbe3f1a2e54f6896a80896ade3", 
+    "revision": "0e5dd903f5fec5946e5b40daf97ce8445e75e387", 
     "repo_path": "/integration/gaia-central"
 }