matlab: use searchBinary from CSXCAD to find hyp2mat binary

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
Merge pull request #7 from thliebig/master

matlab: use searchBinary from CSXCAD to find hyp2mat binary
bugfix: padstack end
automake cleanup
code cleanup
copper
fix plane layers
fix crop
flood command line option
plane separation calculation
update comment
comment
doc