Make note base colorisable

Output/Themes/Ambient/Skin Blue.xml

@@ -50,6 +50,12 @@
       <B>0.969</B>
       <A>0.500</A>
     </NoteLinesColor>
+    <NoteBaseColor>
+      <R>0.675</R>
+      <G>0.890</G>
+      <B>0.969</B>
+      <A>1.000</A>
+    </NoteBaseColor>
     <BackgroundColor>
       <R>0.000</R>
       <G>0.000</G>

Output/Themes/Ambient/Skin Green.xml

@@ -50,6 +50,12 @@
       <B>0.674</B>
       <A>0.500</A>
     </NoteLinesColor>
+    <NoteBaseColor>
+      <R>0.709</R>
+      <G>0.968</G>
+      <B>0.674</B>
+      <A>1.000</A>
+    </NoteBaseColor>
     <BackgroundColor>
       <R>0.000</R>
       <G>0.750</G>

Output/Themes/Ambient/Skin Red.xml

@@ -50,6 +50,12 @@
       <B>0.674</B>
       <A>0.500</A>
     </NoteLinesColor>
+    <NoteBaseColor>
+      <R>0.968</R>
+      <G>0.674</G>
+      <B>0.674</B>
+      <A>1.000</A>
+    </NoteBaseColor>
     <BackgroundColor>
       <R>0.750</R>
       <G>0.000</G>

Output/Themes/Ambient/Skin Yellow.xml

@@ -50,6 +50,12 @@
       <B>0.674</B>
       <A>0.500</A>
     </NoteLinesColor>
+    <NoteNotesColor>
+      <R>0.968</R>
+      <G>0.956</G>
+      <B>0.674</B>
+      <A>1.000</A>
+    </NoteNotesColor>
     <BackgroundColor>
       <R>0.750</R>
       <G>0.750</G>