Bug 985766 - Part 1: Remove little-used HawkAuthHeaderProvider constructor.
Bug 985766 - Part 2: Don't include payload verification to non-enclosing HAWK requests.
Bug 985766 - Part 3: Always include payload verification hashes in FxAccountClient* requests.
Bug 985766 - Part 4: Explain why we do not include payload verification hashes in Sync storage endpoint requests.
Bug 996749 - Part 1: Remove debugAssertion.

This is no longer valuable, since we're not getting timestamp HAWK
errors from the server.
Bug 996749 - Part 2: Remove storageEndpoint from FxAccountGlobalSession constructor.

This is just a separation of concerns: let's inject our dependency as
configured as possible.
Bug 996749 - Part 3: Finally kill PrefsSource.
Bug 985766 - Always include payload verification hashes in FxAccountClient* requests. r=rnewman
Bug 973529 - Fix FxAccount activity layout and gravity on Android tablets.
Bug 996749 - Kill PrefsSource. r=rnewman
Bug 973529 - Fix FxAccount activity layout and gravity on Android tablets. r=rnewman
Bug 996843 - Part 1: Make email an AutoCompleteTextView.
Bug 975013 - Part 1: Add horizontal padding to show/hide password button.
Bug 996843 - Part 2: Populate email autocomplete list in onResume.
Bug 975013 - Part 2: Extract FxAccountShowHidePasswordButton style.
Bug 996843 - Autocomplete email addresses in Android Firefox Accounts sign-up/sign-in. r=rnewman
Bug 975013 - Part 3: Make show/hide password button size not depend on its state.
Bug 962622 - Work around Android pre-v12 rounded corners bug.

This is discussed at http://stackoverflow.com/a/12505934 and tracked at
http://code.google.com/p/android/issues/detail?id=9161.
Bug 975013 - Pad and correctly size show/hide password button. r=rnewman
Bug 962622 - Work around Android pre-v12 rounded corners bug. r=rnewman