Synopsis
		sftracealign < infile.rsf monitor=monitorfile.rsf > outfile.rsf times=timefile.rsf maxshift= nlen= vel=1500.

Parameters
		maxshift= Maximum allowed time shift   file monitor= auxiliary input file name   nlen= Window length of shift vector (in samples)   file times= auxiliary output file name   vel=1500. Rupture speed for linear shift