plotmap calculates maps by checking for v=0. DOES x->f(x) where x  IS
NOT TH EPOINT SELECTED BY RANDOM SAMPLING, IT IS THE POINT WHERE THAT
RANDOM POINT EVOLVE AT FIRST POINCARE SECTION
plotmap now works by blindly checking for t<n*T
Revert "plotmap calculates maps by checking for v=0. DOES x->f(x) where x  IS"

This reverts commit e3c5a5152f9ed094e8f6b004c530b066f867db56.

Conflicts:
	pws/libhardcol.cpp
libhardcol.cpp: plotpoincare now does not take t_startprint as an argument,
prints for all time, plotbifurc is therefor ebroken now. Use the one in
mpi-codes

hardcol.cpp: changed accordingly