benewalloc: cleanups; dump intermediate results; rework copy tracking logic; started working on SSA construction
benewalloc: cleanups; dump intermediate results; rework copy tracking logic; started working on SSA construction

[r26334]

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