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

========

https://hg.mozilla.org/integration/gaia-central/rev/daee6dfb8bf7
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1194979 - Follow-up, add firefox directory to .gitignore r=me

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "4d9b996be4b1935651057d0651461c1a36d98a18", 
+        "git_revision": "ef5a291e44fea82f0e3793ac4f17eaa2188af7e0", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "616fa9b10c5e498a185d34f6da3cbd69fe2d0a24", 
+    "revision": "daee6dfb8bf71d5e0fe61b52e8ccf66f19bbcbd8", 
     "repo_path": "integration/gaia-central"
 }