add libffi-ictce-5.3.0

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
add libffi related easyconfigs

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
added arb and dependency easyconfigs
added motif 2.2.4 + a lot of x dependencies
added missing dependencies to libXext
xcb-proto needs python after all
make sure libs are full dependencies, not builddependencies
dependencies, not builddependencies
dependencies, not builddependencies
libxcb is a dependency of libX11
libxcb with -python that is
added ictce versions
added libX11 and kbproto as dependencies for libXt
make that libX11
added libX11 and libXext as dependencies for motif
use -fPIC in openmotif
enable building of shared lib's
added xextproto ictce easyconfig
replace broken libtool with working one
add easyconfig for WPS 3.5 + libpng/CMake update