Fix distro specific about intro hadling
Fix distro specific about intro hadling

oosplash does not longer support multiple intro pictures; it is enough
to replace intro.png and about.png with the pictures passed via

Signed off by KAMI.
--with-intro-bitmap and --with-about-bitmap configure options

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core