Add known events to erltrek_klingon_commander:handle_info/2

* enter_sector/collision/phaser_hit events
  are intentionally ignored for the time being
erltrek_klingon_commander.erl: back out next_state/4 mod

* In commit 05887c6e7f990363811bf2fa1b07f18d669dc67c
Add more known events to erltrek_klingon_commander:handle_info/2

* damage_level/move_done are intentionally ignored
Make erltrek_ship:refill_energy/1 a commander API

* Change old refill_energy/1 (internal function)
  to do_refill_energy/1

* Remove handle_info(refill_energy, State)
Use erltrek_ship:refill_energy/1 instead of sending message
Add handling condition green in erltrek_klingon_commander:handle_info/2