add a basic defines header where to put commonly accesed macros without
having to include all the stuff in <Xfe/Xfe.h>.
git-svn-id: svn://10.0.0.236/trunk@6730 18797224-902f-48f8-a5cc-f745e15eee43
now export their headers as all good modules should.
Also, dont build widgets and demos that are not needed.
r=slamm,a=ramiro.
git-svn-id: svn://10.0.0.236/trunk@90 18797224-902f-48f8-a5cc-f745e15eee43