brings molevelset return value closer to original.
Start of C version, box split code nearly there.
Working version of getting boxes in C.
More code implementations.
Improve variable names.
Push molevelset along.
Nearly there c-version.
Creates levelset estimate and args structs.
C version compiles and loads.
Runs, results dubious.
Possibly working version.
Small tweaks + adds graphs and example file.
Cleanup R files.
Clean up plotting.
Merge branch 'c-version'
Merge branch 'master' of github.com:ltjohnson/molevelset

Conflicts:
	molevelset/NAMESPACE
	molevelset/R/misc.R
	molevelset/src/box.h
Cleanups.