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

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https://hg.mozilla.org/integration/gaia-central/rev/d45c825ad4ad
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1133204 - merge pull request #29130 from EragonJ:bug-1133204 to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/2d5a612b4b3c
Author: EragonJ <eragonj@eragonj.me>
Desc: Bug 1133204 - overrided default behavior of links to show them

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "68a3b74e4e5c3b8fa5c66a5e65369b5af91d73b4", 
+        "git_revision": "31de501ffbd7a857a0e1f4b78355fdd118776535", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "907e1c00ad7b0d9f5a1c64644216395ee30fe111", 
+    "revision": "d45c825ad4ad00924c8b0edfbe9e21b2c93e2d23", 
     "repo_path": "integration/gaia-central"
 }