starts c-version.
getboxes function working in c.
cleanup.
Working on better C++ version.
little more work on c++ version.
Fixes compile errors, adds test of misc functions.
Adds more tests of functions in misc.hh.
Checkpoint, non-functioning.
Adding actual algorithm files.
Rename files, .hh -> .h and .cc -> .cpp.
Fixes to test.
Minor doc improvements, slight simplification.
Stubbed out call to C++ code.
Merge branch 'c-version'
Merge branch 'master' of github.com:ltjohnson/molevelset

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