Bugfix release

Updated spare parts sorting (variety and value increased).
You can now do some junk trade in the airport.
New artwork.
Fixed electronic component collection costs for junk contracts.
Fixed electronic component contract value for older characters.
– Neither was in-line with the new component prices.
Fixed being stuck in one of the new SensX spikes.
– You've been given some free boosters if you were.
Fixed some typos and minor bugs; thanks for the reports!