Make blue theme summery, Version spacing

shell/android-studio/reicast/src/main/res/menu-v23/activity_main.xml

@@ -34,5 +34,8 @@
         android:id="@+id/about_menu"
         android:icon="@drawable/ic_info_outline"
         android:title="@string/about" />
+    <item
+        android:id="@+id/version_spacer"
+        android:title=""/>
 
 </menu>

shell/android-studio/reicast/src/main/res/menu/activity_main.xml

@@ -25,4 +25,7 @@
     <item android:title="@string/about"
         android:id="@+id/about_menu"
         android:icon="@mipmap/menu_question" />
+    <item
+        android:id="@+id/version_spacer"
+        android:title=""/>
 </menu>

shell/android-studio/reicast/src/main/res/values/colors.xml

@@ -9,8 +9,8 @@
 
     <color name="colorBluePrimary">#226696</color>
     <color name="colorBluePrimaryDark">#164f6e</color>
-    <color name="colorBlueAccent">#e040fb</color>
-    <color name="colorBlueAccentDark">#9c27b0</color>
+    <color name="colorBlueAccent">#ffca28</color>
+    <color name="colorBlueAccentDark">#ffb74d</color>
     <color name="colorBlueText">#e0e0e0</color>
     <color name="colorBlueTint">#072540</color>