re-add mag/constants.go
engine: b_demag is now *buffered, not *adder
engine: add update func to buffered and use closures
engine cleanup
engine: add dmi
engine comments
engine: add datatable
engine: GetM/SetM API
engine: add uniaxial anisotropy
engine: fix Ku units (?)
update code for go1.1, does not compile with go1.0 anymore
play around with units and msat
minor cleanup
cleanup test files
cleanup mesh.String user coordinates
fix autosave cuda context issue
fix engine memset user coordinates
mu0 fix
clean standard problem 2
minor cleanup index.go