JAL-2588 update overview image - show the new gap shading

diff --git a/help/html/features/overview.gif b/help/html/features/overview.gif
deleted file mode 100755 (executable)
index b5b1bc5..0000000
Binary files a/help/html/features/overview.gif and /dev/null differ

diff --git a/help/html/features/overview.html b/help/html/features/overview.html
index 2a656a3..6401fdd 100755 (executable)
--- a/help/html/features/overview.html
+++ b/help/html/features/overview.html
@@ -47,7 +47,7 @@
       overview was introduced in Jalview 2.10.2</em>.
   
   <p>
-    <img src="overview.gif" width="407" height="137">
+    <img src="overview.png" width="800" height="196" alt="1hdc.pfam example alignment">
   </p>
   <p>&nbsp;</p>
   <em>Previous to 2.10.2b1, gaps were white, and sequences shown as

diff --git a/help/html/features/overview.png b/help/html/features/overview.png
new file mode 100644 (file)
index 0000000..d7aaa19
Binary files /dev/null and b/help/html/features/overview.png differ