Merge pull request #112 from Lcstyle/master

Fix 1901 - the "Download!" button on the Welcome page leads to the file displayed in-browser instead of downloaded/saved.

src/allmydata/web/welcome.xhtml

@@ -59,6 +59,7 @@
                   Filename
                   <input type="text" name="filename" />
                 </label>
+                <input type="hidden" name="save" value="true"/>
                 <p><input type="submit" class="btn" value="Download File &#187;" /></p>
               </form>
             </div>