Bug 876145: fix authentication dialog in browser (wrong attribute)

Replace l10n-id with data-l10n-id in browser. As it is, the
authentication dialog's title is always displayed in English.
Bug 877960: followup to check the pref by default.
Merge remote-tracking branch 'upstream/master'
merge
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Bug 876703 - [Browser] Make activity filter case insensitive on URL protocol (http://).
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Bug 856074 - Controls on the call screen should be disabled until the call is reported connecting when dialing emergency number in airplane mode
Merge remote-tracking branch 'upstream/master'
Bug 877579 - Items in the awesome list flicker as the user types a URL
Bug 879661 - Unit test of internet_sharing.js failed frequently.
Bug 879420 - Prevent default on form submit
Bug 878759 - [Buri][Email] 'Manual setup' link on 'New Account' screen is hard to click on
Merge pull request #10102 from comoyo/url_bar_flicker

Bug 877579 - Items in the awesome list flicker as the user types a URL. r=daleharvey
Bug 875355 - update font prefs
Trying to stablize the thread_ui test that has been occasionally red in travis - a=npotb
Bug 879205 - [MMS][Messages] Tapping an in-progress or edit-mode recipient does nothing special r=gnarf

https://bugzilla.mozilla.org/show_bug.cgi?id=879205

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>