Display a pin entry pop-up for RUIM personalization states

- Add strings for Network1, Network2, Hrpd,
  Ruim Corporate and ServiceProvider perso states

- Add unit tests for the new card states
Bug 934727 - Switch l10n.js to use xhr.addEventListener. r=stas
Bug 910055 - [Settings] add media slider to the sound region
Bug 998757 - Follow-up, update gaia_node_modules.revision
Merge pull request #18487 from RickyChien/bug_998757_follow_up_modules_revision

Bug 998757 - Follow-up, update gaia_node_modules.revision r=me
Merge pull request #18484 from dominickuo/bug-910055

Bug 910055 - [Settings] add media slider to the sound region, r=crh0716
Merge pull request #18350 from nsarkar/bug987428

Display a pin entry pop-up for RUIM personalization states
Merge pull request #18203 from zbraniecki/934727-use-xmlhttprequest

Bug 934727 - Switch l10n.js to use xhr.addEventListener. r=stas
Bug 997713 - Regression: e.me topic pages contain no results. r=daleharvey
Bug 973445 - [settings] refactor Sound panel with AMD pattern

- add tone tests