do not use gsl_blas_dnrm2; instead just do addition and sqrt
Merge multiprocessor support; fix up Makefile runes
get flushoutput order right
done circumcircle but it doesn't work so well
wip new energy functions
interpolate and various sizes build
better vertex displacement
better error handling and gsl stuff etc.
can rescale
compute initial layout - not yet checked
compiles
starting to make it compile
reorganisation is complete, need to implement various things, make it compile, etc.