Comment out bison and mscgen in doxygen update script.
Comment out bison and mscgen in doxygen update script.

openastro/sml,ennehekma/sml,kartikkumar/sml,Stardust2013/sml,ennehekma/sml,Stardust2013/sml,astropnp/sml,astropnp/sml