Bug 938931 - [FTU] Fix checkbox regressions from bug #914892
Bug 939148 - [Action Icons - Calendar] Remove shadows from action icons
Bug 930544 - Allow installing applications on several empty screens
Bug 939729 - With httpd.js we sometimes don't get the most recent version of the file r=vingtetun

This patch:
* makes all files expire immediately, forcing a revalidation by Firefox
* implements conditional requests with Last-Modified-Since
Bug 930104 - Remove localId=0 hack for the system app on firefox and correctly set permission for any app loaded in Firefox r=vingtetun
Bug 933561 - App does not come to foreground if user quickly toggles between home screen and app
Bug 939771 - xfail test_setup_basic_gmail.py
Merge pull request #13798 from bebef1987/xfail_email

Bug 939771 - xfail test_setup_basic_gmail.py
Merge pull request #13793 from julienw/add-expiration-and-conditional-content-logic-in-httpd-js

Bug 939729 - With httpd.js we sometimes don't get the most recent versio...
Bug 939722 - Xfail test_cost_control_data_alert_mobile
Merge pull request #13800 from bebef1987/xfail_cost

Bug 939722 - Xfail test_cost_control_data_alert_mobile
Revert "Bug 937630 - All you need is ... smooth unlock transition" for bustage in Gaia Unit Tests

This reverts commit 68fc2b25ce4648ca70be8efc589b81cb0bab4465.
Merge pull request #13789 from crdlc/bug-933561

Bug 933561 - App does not come to foreground if user quickly toggles bet...
Bug 924454 - Make the busy tone longer and clearer r=etienne
Merge pull request #13782 from pivanov/bug-939148

Bug 939148 - [Action Icons - Calendar] Remove shadows from action icons r=kgrandon
Merge pull request #13762 from eeejay/bug-938931

Bug 938931 - [FTU] Fix checkbox regressions from bug #914892. r=fcampo
bug 939105 - Python test_sms_contact_match - wait for keyboard to be fully opened before tapping on the keyboard
Bug 939849 - [Calendar] Fix checkboxes in calendars list. Regression from bug #914892.
Merge pull request #13429 from ochameau/perms

Bug 930104 - Remove localId=0 hack for the system app on firefox and correctly set permission for any app loaded in Firefox r=vingtetun
Adding url keyboard test