Remove discontinued source code. To keep discontinued versions of the source
code in the current commit is not reasonable. The source code management
system provides all former versions of the source code on request.

CALEX.F is a duplicate of calex.f but without recent (UNIX-specific)
modifications.

CALEX-PZ.PAR README calex01.par calex2.par calex20.par
  are duplicates of other files

plot3.bat
  is not used in a UNIX environment

The ellipsis output was triggered by any matching integer, which could also be
the number of inversion parameters (m) given in the output. The script now
checks whether it has entered the list of iterations, otherwise it does not
output an ellipsis.

This is just a collection of bits and pieces and cannot be run usefully yet.

When reading data file pathnames from the parameter file, the directory
separator '/' was a field separator in Fortran free format list input. The
program now explicitely reads an ASCII string and finds the first blank in the
string to extract the full pathname.

Some settings of make variables were still missing in cases, where users have
not installed the Seitosh environment. Set reasonable default values in
Makefile.

Merge branch 'unix'

Conflicts:
	README.md

Merge recent changes of vendor into unix.

tricrosp.sh is a control script to run a complete cross spectral coherency
analyses. The final result of the run is a graphical display of the signal
values.

Merge remote-tracking branch 'origin/sleeman'

Programs now ready for compilation with gfortran:
software/sleeman/bandnois.f
software/sleeman/tri2db.f
software/sleeman/tricrosp.f
software/sleeman/twocrosp.f

Source code now gets compiled by gfortran without complaints.