add an about.html
diff --git a/picasso/plugins/org.eclipse.pde.picasso/build.properties b/picasso/plugins/org.eclipse.pde.picasso/build.properties
index 0dc34f7..bc3b0f2 100644
--- a/picasso/plugins/org.eclipse.pde.picasso/build.properties
+++ b/picasso/plugins/org.eclipse.pde.picasso/build.properties
@@ -3,4 +3,5 @@
 bin.includes = META-INF/,\
                .,\
                plugin.xml,\
-               plugin.properties
+               plugin.properties,\
+               about.html