i18n the Jump to Read Receipt in MemberInfo

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/views/rooms/MemberInfo.js

@@ -658,7 +658,7 @@ module.exports = withMatrixClient(React.createClass({
 
                 readReceiptButton = (
                     <AccessibleButton onClick={onReadReceiptButton} className="mx_MemberInfo_field">
-                        Jump to read receipt
+                        { _t('Jump to read receipt') }
                     </AccessibleButton>
                 );
             }

src/i18n/strings/en_EN.json

@@ -249,6 +249,7 @@
     "%(targetName)s joined the room.": "%(targetName)s joined the room.",
     "Joins room with given alias": "Joins room with given alias",
     "Jump to first unread message.": "Jump to first unread message.",
+    "Jump to read receipt": "Jump to read receipt",
     "%(senderName)s kicked %(targetName)s.": "%(senderName)s kicked %(targetName)s.",
     "Kick": "Kick",
     "Kicks user with given id": "Kicks user with given id",