Selling crewmembers is hard because you can't remember what they do

[Cokemonkey11]

raised by lep

[Cokemonkey11]

refactor crewmember generate; add icon for info; disable structure target on tuskarr and demoness. Closes #47, #38, #39, #71, #53, #51

→ <<cset 224cd9f47870>>