added sdf-import
added sdf-import

svn path=/trunk/StrategoXT/; revision=1674

lichtemo/strategoxt,Apanatshka/strategoxt,lichtemo/strategoxt,metaborg/strategoxt,Apanatshka/strategoxt,metaborg/strategoxt,metaborg/strategoxt,lichtemo/strategoxt,Apanatshka/strategoxt,lichtemo/strategoxt,Apanatshka/strategoxt,metaborg/strategoxt,lichtemo/strategoxt,metaborg/strategoxt,Apanatshka/strategoxt