Mime type for videos playing in mobile devices and web
<mime-mapping>
<extension>mp4</extension>
<mime-type>video/mp4</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ogg</extension>
<mime-type>video/ogg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>webm</extension>
<mime-type>video/webm</mime-type>
</mime-mapping>
<mime-mapping>
<extension>3gp</extension>
<mime-type>video/3gpp</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ppt</extension>
<mime-type>application/x-ms-powerpoint</mime-type>
</mime-mapping>
<mime-mapping>
<extension>xml</extension>
<mime-type>text/xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>wmv</extension>
<mime-type>audio/x-ms-wmv</mime-type>
</mime-mapping>
