Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/d83a14e3120b
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #24115 from ddrmanxbxfr/bug_1062807

Bug 1062807 - Use the new shared helper for loading JSON files in the wallpaper app r=@yurenju

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https://hg.mozilla.org/integration/gaia-central/rev/772d645178e1
Author: Mathieu Rhéaume <mathieu@codingrhemes.com>
Desc: Bug 1062807 - Use the new shared helper for loading JSON files in the wallpaper app.

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https://hg.mozilla.org/integration/gaia-central/rev/8508a86f2425
Author: Julien Wajsberg <felash@gmail.com>
Desc: Bug 1069415 - Since bug 1002545 landed, we can't commit CSS files under Linux r=yurenju

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "a491e07757d721d4bea7302cfbb2b18460a3820d", 
+    "revision": "d83a14e3120b781e3a610a33d1061f3d463d2a02", 
     "repo_path": "/integration/gaia-central"
 }