Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/fbf868517b30
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #19075 from jrburke/bug1007845-email-calendar-en-whitespace

Bug 1007845 - Fix whitespace removals from en-US locale files r=asuth,gaye

========

https://hg.mozilla.org/integration/gaia-central/rev/1dd027af203e
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1007845 - Fix whitespace removals from en-US locale files from bug 940512 and bug 940132

========

https://hg.mozilla.org/integration/gaia-central/rev/edb3144bb169
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #19061 from crdlc/bug-1007147

Bug 1007147 - Fit visual details to icon's label

========

https://hg.mozilla.org/integration/gaia-central/rev/fa0b1d16f8c4
Author: crdlc <crdlc@tid.es>
Desc: Bug 1007147 - Fit visual details to icons label

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "9d42b77320ede120cb394f12f3e94567500e930c", 
+    "revision": "fbf868517b3026b39be4afac45883ddf76f6bc9d", 
     "repo_path": "/integration/gaia-central"
 }