Address related improvements

- QR code is now shown in contact details and 'manage identity' view
- Contacts and identities can now be deleted

app/build.gradle

@@ -40,6 +40,7 @@ dependencies {
     compile "ch.dissem.jabit:jabit-networking:$jabitVersion"
     compile "ch.dissem.jabit:jabit-cryptography-spongy:$jabitVersion"
     compile "ch.dissem.jabit:jabit-extensions:$jabitVersion"
+    compile "ch.dissem.jabit:jabit-wif:$jabitVersion"
 
     compile 'org.slf4j:slf4j-android:1.7.12'
 
@@ -51,6 +52,9 @@ dependencies {
     }
     compile 'com.mikepenz:iconics:1.6.2@aar'
     compile 'com.mikepenz:community-material-typeface:1.1.71@aar'
+
+    compile 'com.journeyapps:zxing-android-embedded:3.1.0@aar'
+    compile 'com.google.zxing:core:3.2.0'
 }
 
 idea.module {