More small cleanups in motogame
Optional map filtering for miners to choose from
Change testmode coin position
  for better testing of secondary work target accuracy
re-merge secondary work function
  also adjust map filters to pay the work
Median fix
  since we're doing hard fork anyway
Merge against motocoin-dev/motocoin

Conflicts:
	src/game/game.cpp
	src/moto-engine.cpp
	src/moto-engine.h
Fix another srand
Merge pull request #12 from HunterMinerCrafter/master

HunterMinerCrafter patches