Bug 625015 - Improve the error message when the X development libraries are not available; r=glandium

Patch based on the one of Aikeremu Tiemuer
Bug 845057 - Part 1: Use DOMSettableTokenList for iframe.sandbox; r=bz
Bug 845057 - Part 2: Tests (sanity checking sandbox DOMSettableTokenList attribute); r=bz
Bug 845057 - Part 3: Use the parsed attribute in ParseSandboxAttributeToFlags; r=bz
Bug 882703 - Add TextTrackList change event; r=rillian,bz
Bug 909914 - Add a missing include to avoid error: "Use of undeclared identifier 'getpid'" when building with enable-macos-target=10.9; r=smichaud
Bug 913665 - Detect minified files and pretty print them by default; r=fitzgen
Bug 921484 - Fix bugs found in TextTrack::GetActiveCues(); r=rillian
* mDirty needs to be set to false after the list has been recomputed.
* The loop that adds cues to the list doesn't work properly when the
  list has become dirty as we check if endTime < playback time and
  since we start from pos 0 we will never get past the first cue.
Bug 935987 - Part 1: Give the preprocessor a better API; r=gps
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/413f661890d2
Author: George <georgeiscoming@gmail.com>
Desc: Merge pull request #14790 from cctuan/951341

Bug 951341 - [Flatfish][Gallery] thumbnails are created much larger than needed on Flatfish

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https://hg.mozilla.org/integration/gaia-central/rev/e215a484d842
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 951341 - [Flatfish][Gallery] thumbnails are created much larger than needed on Flatfish
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/46d9f41023ef
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #14984 from kumarrishav/issue-944287

Bug 944287 [UITEST] add Share URL activity, r=gasolin

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https://hg.mozilla.org/integration/gaia-central/rev/0d1dcd0365a2
Author: kumarrishav <reactiverishav007@gmail.com>
Desc: Bug 944287 [UITEST] add Share URL activity - bug fixed
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/0503dc0b2c0e
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #14975 from yurenju/make-verification

Bug 954441 - Add more verification to integration test on build system f... r=@cctuan

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https://hg.mozilla.org/integration/gaia-central/rev/0209c4c2b321
Author: Yuren Ju <yurenju@gmail.com>
Desc: Bug 954441 - Add more verification to integration test on build system
Bumping gaia.json for 4 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/cd7e66e59ddd
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #14948 from timdream/keyboard-app-icon

Bug 953032 - Keyboard app needs an icon, r=rudyl

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https://hg.mozilla.org/integration/gaia-central/rev/9bc75bab47e2
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 953032 - Keyboard app needs an icon

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https://hg.mozilla.org/integration/gaia-central/rev/d59f5880db31
Author: George <georgeiscoming@gmail.com>
Desc: Merge pull request #14982 from cctuan/955940

Bug 955940 - [Gaia][Build] Unit Test for install-gaia.js

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https://hg.mozilla.org/integration/gaia-central/rev/da900cd085ac
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 955940 - [Gaia][Build] Unit Test for install-gaia.js
Merge mozilla-central to b2g-inbound
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/20e7a2af5eaa
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #14983 from askeing/955963

Bug 955963 - Unxfail test_lockscreen_unlock_to_camera_with_passcode.py

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https://hg.mozilla.org/integration/gaia-central/rev/d75a7c6146e5
Author: askeing <askeing@gmail.com>
Desc: Bug 955963 - Unxfail test_lockscreen_unlock_to_camera_with_passcode.py
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/396c32149ade
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #14985 from askeing/955984

Bug 955984 - Fix test_ftu_skip_tour.py

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https://hg.mozilla.org/integration/gaia-central/rev/955962670be2
Author: askeing <askeing@gmail.com>
Desc: Bug 955984 - Fix test_ftu_skip_tour.py
Bumping gaia.json for 1 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/e18a5c70c22e
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: Bug 952134 - Update requirements file to use Marionette 0.7.2 r=me
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/2632cc25a7cc
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #14992 from gaye/noflake

Allow gaia_ui_tests to fail on travis

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https://hg.mozilla.org/integration/gaia-central/rev/b8ed1597c7e9
Author: Gareth Aye <gaye@mozilla.com>
Desc: Allow gaia_ui_tests to fail on travis
Bug 891704 - Add ISO media container muxer. r=cpearce
Bug 922926 - Part 1: IDL modifications. r=gene