Remove Android requirement from install flow

// FREEBIE

_locales/en/messages.json

@@ -168,6 +168,24 @@
           }
         }
     },
+    "installSignalLinks": {
+        "message": "First, install Signal on your <a $play_store$>Android</a> or <a $app_store$>iPhone</a>.<br /> We'll link your devices and keep your messages in sync.",
+        "description": "Prompt the user to install Signal on their phone before linking",
+        "placeholders": {
+          "play_store": {
+            "content": "$1",
+            "example": "href='http://example.com'"
+          },
+          "app_store": {
+            "content": "$1",
+            "example": "href='http://example.com'"
+          }
+        }
+    },
+    "installGotIt": {
+        "message": "Got it",
+        "description": "Button for the user to confirm that they have Signal installed."
+    },
     "installIHaveSignalButton": {
         "message": "I have Signal for Android",
         "description": "Button for the user to confirm that they have Signal for Android"

js/views/install_view.js

@@ -8,14 +8,15 @@
     Whisper.InstallView = Whisper.View.extend({
         templateName: 'install_flow_template',
         render_attributes: function() {
-            var installSignalHref = 'https://play.google.com/store/apps/details?id=org.thoughtcrime.securesms';
+            var playStoreHref = 'https://play.google.com/store/apps/details?id=org.thoughtcrime.securesms';
+            var appStoreHref = 'https://itunes.apple.com/us/app/signal-private-messenger/id874139669';
             var twitterHref = 'https://twitter.com/whispersystems';
             return {
                 installWelcome: i18n('installWelcome'),
                 installTagline: i18n('installTagline'),
                 installGetStartedButton: i18n('installGetStartedButton'),
-                installSignalLink: this.i18n_with_link('installSignalLink', installSignalHref),
-                installIHaveSignalButton: i18n('installIHaveSignalButton'),
+                installSignalLink: this.i18n_with_link('installSignalLinks', playStoreHref, appStoreHref),
+                installIHaveSignalButton: i18n('installGotIt'),
                 installFollowUs: this.i18n_with_link('installFollowUs', twitterHref),
                 installAndroidInstructions: i18n('installAndroidInstructions'),
                 installLinkingWithNumber: i18n('installLinkingWithNumber'),

options.html

@@ -26,7 +26,6 @@
         <div class='nav'>
           <p>{{{ installSignalLink }}}</p>
           <div> <a class='button step3'>{{ installIHaveSignalButton }}</a> </div>
-          <p>{{{ installFollowUs }}}</p>
           <span class='dot step1'></span>
           <span class='dot step2 selected'></span>
           <span class='dot step3'></span>