Added the Conc constructor to list-cons. It is a representation of a list as well.
Added the Conc constructor to list-cons. It is a representation of a list as well.

svn path=/trunk/StrategoXT/; revision=5881

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