doc: add image/{bmp,tiff} renames to go1.tmpl.

R=r
CC=golang-dev
https://golang.org/cl/5598052

doc/go1.html

@@ -673,6 +673,11 @@ This table lists the old and new import paths:
 <tr>
 <td colspan="2"><hr></td>
 </tr>
+<tr><td>image/bmp</td> <td>code.google.com/p/go.image/bmp</tr>
+<tr><td>image/tiff</td> <td>code.google.com/p/go.image/tiff</tr>
+<tr>
+<td colspan="2"><hr></td>
+</tr>
 <tr><td>net/dict</td> <td>code.google.com/p/go.net/dict</tr>
 <tr><td>net/websocket</td> <td>code.google.com/p/go.net/websocket</tr>
 <tr><td>exp/spdy</td> <td>code.google.com/p/go.net/spdy</tr>

doc/go1.tmpl

@@ -597,6 +597,11 @@ This table lists the old and new import paths:
 <tr>
 <td colspan="2"><hr></td>
 </tr>
+<tr><td>image/bmp</td> <td>code.google.com/p/go.image/bmp</tr>
+<tr><td>image/tiff</td> <td>code.google.com/p/go.image/tiff</tr>
+<tr>
+<td colspan="2"><hr></td>
+</tr>
 <tr><td>net/dict</td> <td>code.google.com/p/go.net/dict</tr>
 <tr><td>net/websocket</td> <td>code.google.com/p/go.net/websocket</tr>
 <tr><td>exp/spdy</td> <td>code.google.com/p/go.net/spdy</tr>