Minor tools, test frameworks

numlib/LUtest.exe            Test LU matrix decomposition.
numlib/dnsqtest.exe          Test nonlinear square system solution.
numlib/soboltest.exe          Test sobol sequence generator
numlib/svdtest.exe             Test Singular Value Decomposition code
numlib/tpowell.exe             Test Powell non linear minimiser code
numlib/zbrenttest.exe          Test 1D Brent solver
plot/plot.exe
icc/fbtest.exe
icc/icclu.exe
icc/iccrw.exe
icc/icctest.exe
icc/lutest.exe
rspl/c1.exe
rspl/revbench.exe
rspl/t2d.exe
rspl/tnd.exe
rspl/trnd.exe
imdi/ctest.exe
imdi/greytiff.exe
imdi/imdi_gen.exe
imdi/itest.exe
imdi/sort.exe
imdi/tsort.exe
cgats/cgats.exe
cgats/pars.exe
gamut/maptest.exe
gamut/smthtest.exe
xicc/camtest.exe
xicc/fbview.exe
xicc/icheck.exe
xicc/spectest.exe
xicc/tcheck.exe
xicc/xcolorantslu.exe
xicc/xfbview.exe
spectro/dispwin.exe
target/ifarp.exe
target/ppoint.exe
target/qrand.exe
target/simplat.exe
profile/sprof.exe
link/monoplot.exe
link/pathplot.exe