Show part energy req in e/min or e/sec
GUI change to show last leg + mult/new range

GUI now shows distance for last leg of path, and max distance for that
leg. Toggleable setting to allow multiple antennae to be employed.
Toggleable setting to use new range calculation.
DLL
MM configs
Merge pull request #1 from NathanKell/master

Show e/sec when high; show last leg info; allow multiple; new range calc