Issue #1170 More progress migrating adblockplus.org to our CMS.

locales/en/changelog-1.3.8.json

 {
   "title": {
     "message": "Detailed changelog for Adblock Plus 1.3.8"
   },
   "s1": {
-    "message": "The following lists the changes compared to Adblock Plus 1.3.7. If you experience issues\n  with this release please check <a>the list of known issues</a>."
+    "message": "The following lists the changes compared to Adblock Plus 1.3.7. If you experience issues with this release please check <a>the list of known issues</a>."
   },
   "s2": {
-    "message": "Fixed: Corruption in Adblock Plus data files might result in Adblock Plus being unable\n    to block anything (<a>forum topic</a>)."
+    "message": "Fixed: Corruption in Adblock Plus data files might result in Adblock Plus being unable to block anything (<a>forum topic</a>)."
   },
   "s3": {
     "message": "Fixed: Adblock Plus toolbar icon isn't always visible in pop-up windows."
   },
   "s4": {
     "message": "Fixed: Opening a new browser tab from Adblock Plus doesn't work in SeaMonkey 2.1."
   },
   "s5": {
-    "message": "Fixed: When adding a filter subscription in SeaMonkey 2.1 on first run it isn't\n    downloaded immediately."
+    "message": "Fixed: When adding a filter subscription in SeaMonkey 2.1 on first run it isn't downloaded immediately."
   },
   "s6": {
     "message": "Fixed: Issue reporter doesn't work in K-Meleon."
   },
   "s7": {
     "message": "Some minor improvements to the data that is being sent by the issue reporter."
   },
   "s8": {
     "message": "Changelog for the previous release"
   }
 }