Remove doxygen build dependency. I don't see it used anywhere in a build,
and removing it doesn't change the list of installed files.
Bump PKGREVISION.

Requested by Zbigniew Baniewski <zb@islandsoft.pl>.
Updated shells/fish to 1.23.1nb1
+ Mesa-10.0.3, MesaLib-10.0.3, album-4.11, calibre-1.23, cln-1.33,
  cvs-fast-export-1.4, etm2-2.3.22 [etm successor], firefox-27,
  gdb-7.7, glu-10.0.3, httping-2.3.4, imapsync-1.580 [pkg/48578],
  libusb], openmpi-1.7.4, py-django-1.6.2, qt5-5.2.1, reposurgeon-3.2,
  seamonkey-2.24, sympa-6.1.19, tcpreplay-4.0.3, thunderbird-24.3.0.