Updated user guide and welcome page. Among it a new page on Web+ and translations done for Google Code-In. Thanks everyone.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39691 a95241bf-73f2-0310-859d-f6bbb57e9c96

docs/userguide/jp/preferences/mouse.html

@@ -51,7 +51,7 @@
 
 <h2><img src="../../images/prefs-images/mouse-icon_64.png" alt="mouse-icon_64.png" width="64" height="64" />Mouse</h2>
 <table summary="quickinfo" border="0" cellspacing="0" cellpadding="2">
-<tr><td>Deskbarメニュー:</td><td style="width:15px;"></td><td><span class="menu">Preferences</span></td></tr>
+<tr><td>Deskbarメニュー:</td><td style="width:15px;"></td><td><span class="menu">設定</span></td></tr>
 <tr><td>場所:</td><td></td><td><span class="path">/boot/system/preferences/Mouse</span></td></tr>
 <tr><td>設定ファイル:</td><td></td><td><span class="path">~/config/settings/Mouse_settings</span></td></tr>
 </table>