Moved icons into the html directory to avoid pollution of the top level.
diff --git a/Doc/icons/blank.gif b/Doc/icons/blank.gif
deleted file mode 100644
index 2e31f4e..0000000
--- a/Doc/icons/blank.gif
+++ /dev/null
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diff --git a/Doc/icons/contents.gif b/Doc/icons/contents.gif
deleted file mode 100644
index 6d299c4..0000000
--- a/Doc/icons/contents.gif
+++ /dev/null
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diff --git a/Doc/icons/index.gif b/Doc/icons/index.gif
deleted file mode 100644
index 32eecfb..0000000
--- a/Doc/icons/index.gif
+++ /dev/null
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diff --git a/Doc/icons/modules.gif b/Doc/icons/modules.gif
deleted file mode 100644
index f5860b6..0000000
--- a/Doc/icons/modules.gif
+++ /dev/null
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diff --git a/Doc/icons/next.gif b/Doc/icons/next.gif
deleted file mode 100644
index 5dcaff8..0000000
--- a/Doc/icons/next.gif
+++ /dev/null
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diff --git a/Doc/icons/previous.gif b/Doc/icons/previous.gif
deleted file mode 100644
index de1da16..0000000
--- a/Doc/icons/previous.gif
+++ /dev/null
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diff --git a/Doc/icons/up.gif b/Doc/icons/up.gif
deleted file mode 100644
index a9d3e13..0000000
--- a/Doc/icons/up.gif
+++ /dev/null
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