Add mime picto

htdocs/lib/functions.lib.php

htdocs/theme/common/mime/archive.png

htdocs/theme/common/mime/audio.png

htdocs/theme/common/mime/doc.png

htdocs/theme/common/mime/flash.png

htdocs/theme/common/mime/html.png

htdocs/theme/common/mime/image.png

htdocs/theme/common/mime/jscript.png

htdocs/theme/common/mime/notavailable.png

htdocs/theme/common/mime/other.png

htdocs/theme/common/mime/php.png

htdocs/theme/common/mime/pl.png

htdocs/theme/common/mime/ppt.png

htdocs/theme/common/mime/quicktime.png

htdocs/theme/common/mime/real.png

htdocs/theme/common/mime/script.png

htdocs/theme/common/mime/svg.png

htdocs/theme/common/mime/text.png

htdocs/theme/common/mime/ttf.png

htdocs/theme/common/mime/video.png