ContactViewerFragment: contact info split to groups. Separators added.

 New icon for notes and other info.

app/src/main/res/layout/contact_info_separator.xml

+<?xml version="1.0" encoding="utf-8"?>
+<View
+    android:layout_width="match_parent"
+    android:layout_height="1dp"
+    android:layout_marginLeft="72dp"
+    android:layout_marginStart="72dp"
+    android:background="@color/grey_400"
+    android:layout_marginTop="16dp"
+    android:layout_marginBottom="16dp"
+    xmlns:android="http://schemas.android.com/apk/res/android" />

app/src/main/res/layout/contact_viewer_fragment.xml

@@ -5,9 +5,10 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"
+    android:paddingTop="8dp"
+    android:paddingBottom="8dp"
     >
 
-
     <LinearLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         android:id="@+id/xmpp_items"