added dumper for Imm nodes save old SymConst node in Imm in case of a SymConst added function to get tarval from Imm some indent fixes
added dumper for Imm nodes
save old SymConst node in Imm in case of a SymConst
added function to get tarval from Imm
some indent fixes

jonashaag/libfirm,MatzeB/libfirm,8l/libfirm,8l/libfirm,MatzeB/libfirm,8l/libfirm,MatzeB/libfirm,8l/libfirm,MatzeB/libfirm,8l/libfirm,libfirm/libfirm,davidgiven/libfirm,8l/libfirm,MatzeB/libfirm,libfirm/libfirm,libfirm/libfirm,davidgiven/libfirm,davidgiven/libfirm,killbug2004/libfirm,davidgiven/libfirm,jonashaag/libfirm,killbug2004/libfirm,davidgiven/libfirm,killbug2004/libfirm,killbug2004/libfirm,MatzeB/libfirm,MatzeB/libfirm,jonashaag/libfirm,davidgiven/libfirm,jonashaag/libfirm,killbug2004/libfirm,8l/libfirm,jonashaag/libfirm,killbug2004/libfirm,jonashaag/libfirm,libfirm/libfirm,jonashaag/libfirm,libfirm/libfirm,davidgiven/libfirm,killbug2004/libfirm