Added icon to onboarding

Fixes #19

app/src/main/java/me/impy/aegis/ui/IntroActivity.java

@@ -65,6 +65,7 @@ public class IntroActivity extends AppIntro2 implements DerivationTask.Callback
 
         SliderPage homeSliderPage = new SliderPage();
         homeSliderPage.setTitle(getString(R.string.welcome));
+        homeSliderPage.setImageDrawable(R.drawable.icon_foreground_white);
         homeSliderPage.setTitleColor(getResources().getColor(R.color.primary_text_dark));
         homeSliderPage.setDescription(getString(R.string.app_description));
         homeSliderPage.setDescColor(getResources().getColor(R.color.primary_text_dark));

app/src/main/res/values/strings.xml

@@ -103,7 +103,7 @@
     <string name="tap_to_select">Tap to select</string>
     <string name="saving_profile_error">Error saving profile</string>
     <string name="welcome">Welcome</string>
-    <string name="app_description">Aegis is a secure, free and open source 2FA app</string>
+    <string name="app_description">Aegis is an free, secure and open source 2FA app</string>
     <string name="setup_completed">Setup completed</string>
     <string name="setup_completed_description">Aegis has been setup and is ready to go.</string>
     <string name="vault_not_found">Vault not found, starting setup…</string>