Wizard refactor: beginning

android-app/src/main/res/layout/fragment_wizard_buttons.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<LinearLayout
+	style="@style/WizardButtons"
+	xmlns:a="http://schemas.android.com/apk/res/android"
+	a:layout_gravity="center_horizontal|bottom"
+	a:gravity="center">
+
+	<Button
+		a:id="@+id/wizard_prev"
+		a:layout_width="0dp"
+		a:layout_height="wrap_content"
+		a:layout_weight="1" />
+
+	<Button
+		a:id="@+id/wizard_next"
+		a:layout_width="0dp"
+		a:layout_height="wrap_content"
+		a:layout_weight="1" />
+
+</LinearLayout>