Weekly browser binaries (20181124)

New build of basilisk/UXP for XP!

Test binary:
Win32 https://o.rths.cf/basilisk/basilisk52-g4.1.win32-git-20181124-b37e8f87c-xpmod.7z
Win64 https://o.rths.cf/basilisk/basilisk52-g4.1.win64-git-20181124-b37e8f87c-xpmod.7z

diff: https://o.rths.cf/basilisk/UXP-xp-gitdiff-20181110.7z

PM28XP build:
Win32 https://o.rths.cf/palemoon/palemoon-28.2.0a1.win32-git-20181124-b37e8f87c-xpmod.7z
Win64 https://o.rths.cf/palemoon/palemoon-28.2.0a1.win64-git-20181124-b37e8f87c-xpmod.7z

Official repo changes since my last build:
- Add support to libstagefright for AV1 FourCCs (df59d06fd)
- Issue #638 - Part 1: Provide a visual indicator for muting/unmuting tabs (becd71a86)
- Issue #638 - Part 2: Add tooltip to mute/unmute buttons (ae48428aa)
- Issue #638 - Part 3: Add a keyboard shortcut for toggling the tab mute state (15afe6807)
- Issue #638 - Part 4: Add tab sound icon to tab drop-down list (719234847)
- Issue #638 - Part 5: Add mute/unmute option to tab context menu (eff89e1c9)
- Issue #638 - Part 6: Fix up remaining references - Refactor _tabAttrModified to accept two parameters - Modify consumers of _tabAttrModified to pass details - Add missing _soundPlayingAttrRemovalTimer field - Add missing checks for mute/unmute around the tab browser - Tab sound icon should inherit 'selected' attribute instead of 'visuallyselected' (d56c1ceac)
- [PALEMOON] Align the places component with the updated PlacesUtils API (b32323fae)
- Issue #638 - Part 7: Remove hover and active states for sound indicator (66cc7d91a)
- Issue #638 - Part 8: Add overlay sound icon for pinned tabs - This also moves some styles to tabbrowser.css (a6b250b47)
- Issue #638 - Part 9: Add sound icon to all tabs menu (fe4c12e2d)
- Issue #638 - Part 10: Rename all tabs sound icon to be consistent with others - alltabs => allTabs (deb4791e2)
- Follow-up: Add missing getTabFromAudioEvent method (61b21c808)
- Fix undefined isSameDocument (a681891e6)
- Hide mute menu item and disable mute hotkey with existing pref (af0164310)
- Add support to libstagefright for AV1 FourCCs (part 2) (4d8b7a376)
- Add AV1 support to MP4Decoder. (56c26d867)
- Replace toolbar PNG bitmaps with SVG vectors. (a5bdec9a6)
- Cleanup some comments in our media code. (011ec4885)
- Merge pull request #877 from trav90/code-cleanup (181e75728)
- Merge pull request #876 from trav90/add-av1-support (f4908ce99)
- Merge pull request #873 from JustOff/PR_bm_folders_copy_paste (be53c078d)
- Strip Inkscape data from toolbar SVGs and remove obsolete PNGs. (4fd138594)
- Merge pull request #874 from FranklinDM/sound_indicator-work (025b91375)
- Belated new cycle version bump (9ce2c56e1)
- Merge branch 'master' of https://github.com/MoonchildProductions/UXP (a6b9afbee)
- Add a nullcheck on pipelined HTTP connections' pushback. (2c0a30185)
- Update package.json (6a9c2be4e)
- Port WebP decoder changes. (238b430ec)
- Bug 1462355 - Part 1a. Make imgFrame animation parameters threadsafe. (807acf738)
- Bug 1462355 - Part 1b. Update Decoder and SurfacePipe plumbing to use updated imgFrame methods. (622098073)
- Bug 1462355 - Part 1c. Make individual image decoders to use updated Decoder/SurfacePipe methods. (3417e581c)
- Fix pasta error (b9003c9c5)
- Unrefactor mRawVeggies back to mVBuffMeat ;P (5b821064f)
- Split out FrameTimeout into its own header file for re-use. (a51993521)
- Fix blank pixel color for truncated GIFs (25f4c75d6)
- Merge branch 'webp-update' (a3da92549)
- Fix debug assertion. (b37e8f87c)