Bug 883763 - Fix localizability of "Cell broadcast service"

Update data-l10n-id to the real string
do not access wifi manager or bluetooth when not available.
Bug 862579 - Dont open a new tab on url activity if not needed
Bug 814490 - Remove title from bookmark screen
Move OPACITY_STEPS to the list of constants at the top of the file.
  Pull the step function out of the event handling function.
  Improve comments
Bug 884703 - Remove inline styles on visual keys if present
music2 app prototype
Merge pull request #10611 from es92/music2-squashed

Prototype Music2 App
Merge pull request #10492 from flodolo/bug883763

Bug 883763 - Fix localizability of "Cell broadcast service", r=kaze
Revert "Merge pull request #10611 from es92/music2-squashed"

This reverts commit 16c6bd66d7685fdc8abd2d841243a3ca69413bb9, reversing
changes made to 14367fe868af13c63548d57fd1e2dea0134e65fa.
Merge pull request #10613 from davidflanagan/revert-music2

Revert "Merge pull request #10611 from es92/music2-squashed"
Merge pull request #10517 from nullaus/b2g-desktop-debug-failures

do not access wifi manager or bluetooth when not available, r=kaze
music2 app prototype
Merge pull request #10616 from es92/music2-squashed

Prototype Music2 App
Merge pull request #10519 from daleharvey/862579

Bug 862579 - Dont open a new tab on url activity if not needed r=benfrancis
Merge pull request #10520 from daleharvey/814490

Bug 814490 - Remove title from bookmark screen r=benfrancis
Bug 886844 - icc.json should be written in the system app
Merge pull request #10618 from Rik/stk-error-886844

Bug 886844 - icc.json should be written in the system app r=kaze
Bug 882916 - [Email] Forward/Reply/Reply All functionality breaks on structured clone failure when e-mail sender already exists and has been cached. r=lightsofapollo

land https://github.com/mozilla-b2g/gaia-email-libs-and-more/pull/221
Merge pull request #10619 from asutherland/email-contact-cache-hit-fix

Bug 882916 - [Email] Forward/Reply/Reply All functionality breaks on structured clone failure when e-mail sender already exists and has been cached. r=lightsofapollo