Use a dialog for the welcome page. Thus the startup sequence

consists of three dialogs.
Rename to HelpActivity.
Fix activity button styles.
Reuse EulaDialogFragment when invoked from the AboutDialogFragment.
Only hide the title bar on the TrackDetailPage.

MyTracks/res/layout/help.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2012 Google Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  android:layout_height="fill_parent"
+  android:layout_width="fill_parent"
+  android:orientation="vertical" >
+  <ScrollView
+    android:layout_height="0dp"
+    android:layout_weight="1"
+    android:layout_width="fill_parent" >
+    <include layout="@layout/welcome" />
+  </ScrollView>
+  <LinearLayout style="@style/BottomBar" >
+    <include layout="@layout/help_buttons" />
+  </LinearLayout>
+</LinearLayout>