New Package: openexr - high dynamic-range (HDR) image file format

Is building fine. Hope it works as i can't test because the
viewer use the FLTK toolkit with OpenGl and our is not GL
enabled

regards and thanks a lot for ilmbase

Carlo
Merge branch 'master' of github.com:onekk/xbps-packages into onekk-master
Merge branch 'onekk-master'
openexr: added lib and -devel subpkgs; misc cleanups.