Simplify Lockbox introduction strings (#3784)

* update to latest package lock from npm install

* revise introduction strings to be simpler

- removes English only and country disclaimer
- changes anchor link text to be URLs, fixes #3715

* add news update for Lockbox

* Revert "add news update for Lockbox"

This reverts commit e6042bd.

* add l10n prefix to force re-translation of introduction

content-src/experiments/lockbox.yaml

@@ -13,10 +13,9 @@ description: >
   Take your passwords everywhere with the Firefox Lockbox App for iPhone.
 introduction: >
   <p>Take your passwords everywhere with Firefox Lockbox. This Test Pilot experiment gives you access to all the logins you've saved to Firefox, in a secure app on your iPhone. Just log in to Lockbox with your Firefox Account, and your saved usernames and passwords will sync to the app using 256-bit encryption. So you’ll have easy access to online accounts, even on the go.</p>
-  <p><strong>Firefox Lockbox requires a Firefox Account in order to access your previously <a href="chrome://passwordmgr/content/passwordManager.xul">saved logins</a>. If you do not have an account set up, get started <a href="https://lockbox.firefox.com/faq.html#how-do-i-get-my-firefox-saved-logins-into-firefox-lockbox">here</a>.</strong></p>
-  <p><em>Want to be notified when our Android app launches? Sign up <a href="https://goo.gl/forms/ZwLIfHSGLrYcM6k83">here</a>.</em></p>
-  <p>Please note, Firefox Lockbox is currently an English only app available in a few regions including Australia, New Zealand, United Kingdom, United States, and Canada.</p>
-
+  <p><strong>Firefox Lockbox requires a Firefox Account in order to access your previously saved logins. If you do not have an account set up, get started:<br/><a href="https://lockbox.firefox.com/faq.html">https://lockbox.firefox.com/faq.html</a></strong></p>
+  <p><em>Want to be notified when our Android app launches? Sign up:<br/><a href="https://goo.gl/forms/ZwLIfHSGLrYcM6k83">https://goo.gl/forms/ZwLIfHSGLrYcM6k83</a></em></p>
+introduction_l10nsuffix: 'urlsandcountries'
 
 video_url: https://www.youtube.com/embed/lOniFEypZhQ
 image_twitter: /static/images/experiments/lockbox/social/share-twitter.jpg

locales/en-US/experiments.ftl

@@ -75,7 +75,7 @@ containersContributors7Title = Firefox UX
 containersContributors8Title = Firefox UX
 containersContributors9Title = Firefox UX
 firefoxlockboxDescription = Take your passwords everywhere with the Firefox Lockbox App for iPhone.
-firefoxlockboxIntroduction = <p>Take your passwords everywhere with Firefox Lockbox. This Test Pilot experiment gives you access to all the logins you've saved to Firefox, in a secure app on your iPhone. Just log in to Lockbox with your Firefox Account, and your saved usernames and passwords will sync to the app using 256-bit encryption. So you’ll have easy access to online accounts, even on the go.</p> <p><strong>Firefox Lockbox requires a Firefox Account in order to access your previously <a href="chrome://passwordmgr/content/passwordManager.xul">saved logins</a>. If you do not have an account set up, get started <a href="https://lockbox.firefox.com/faq.html#how-do-i-get-my-firefox-saved-logins-into-firefox-lockbox">here</a>.</strong></p> <p><em>Want to be notified when our Android app launches? Sign up <a href="https://goo.gl/forms/ZwLIfHSGLrYcM6k83">here</a>.</em></p> <p>Please note, Firefox Lockbox is currently an English only app available in a few regions including Australia, New Zealand, United Kingdom, United States, and Canada.</p>
+firefoxlockboxIntroductionUrlsandcountries = <p>Take your passwords everywhere with Firefox Lockbox. This Test Pilot experiment gives you access to all the logins you've saved to Firefox, in a secure app on your iPhone. Just log in to Lockbox with your Firefox Account, and your saved usernames and passwords will sync to the app using 256-bit encryption. So you’ll have easy access to online accounts, even on the go.</p> <p><strong>Firefox Lockbox requires a Firefox Account in order to access your previously saved logins. If you do not have an account set up, get started:<br/><a href="https://lockbox.firefox.com/faq.html">https://lockbox.firefox.com/faq.html</a></strong></p> <p><em>Want to be notified when our Android app launches? Sign up:<br/><a href="https://goo.gl/forms/ZwLIfHSGLrYcM6k83">https://goo.gl/forms/ZwLIfHSGLrYcM6k83</a></em></p>
 firefoxlockboxDetails0Copy = Access username and password information for all the accounts you save to Firefox.
 firefoxlockboxDetails1Copy = Manage accounts in Firefox and sync changes automatically to Firefox Lockbox.
 firefoxlockboxDetails2Copy = Sort and filter your accounts to quickly locate the one you need.