new orage in rawhide

[Kevin Fenzi]

Greetings.

I have updated orage in rawhide to 4.7.5.16

This version now uses the system version of libical instead of it's own
bundled version. It seems to work fine here, but more testing would be
great.

If all looks ok after a while I will probably push this for f14 and
el6. Then if that looks good, el5.

I would like to get rid of the bundled library where possible... it's
been working fine here for a week or two.

kevin