Merge pull request #1400 from edx/mvo/update_firefox

Mvo/update firefox

playbooks/roles/browsers/defaults/main.yml

@@ -13,7 +13,7 @@ browser_deb_pkgs:
 # which often causes spurious acceptance test failures.
 browser_s3_deb_pkgs:
     - { name: "google-chrome-stable_30.0.1599.114-1_amd64.deb", url: "https://s3.amazonaws.com/vagrant.testeng.edx.org/google-chrome-stable_30.0.1599.114-1_amd64.deb" }
-    - { name: "firefox_25.0+build3-0ubuntu0.12.04.1_amd64.deb", url: "https://s3.amazonaws.com/vagrant.testeng.edx.org/firefox_25.0%2Bbuild3-0ubuntu0.12.04.1_amd64.deb" }
+    - { name: "firefox_28.0+build2-0ubuntu0.12.04.1_amd64.deb", url: "https://s3.amazonaws.com/vagrant.testeng.edx.org/firefox_28.0%2Bbuild2-0ubuntu0.12.04.1_amd64.deb" }
 
 # Chrome and ChromeDriver
 chromedriver_version: 2.6