Surveyor: add documentation in manual for the kmer matrix

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
Surveyor: fix some copyrights

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
Surveyor: fix some indentation

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
Surveyor: fix indentation in printMatrixHeader

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>