Changes senior citizen startup gear.

Since you already start with glasses if you need them, the bifocals were
pretty useless. Also this lets us show off the new pocket watch item!
Adjusting point cost.

This class gets a semi-crappy watch and a crappy weapon. Might be worth
a point.
Adding ids to vehicle parts.
Adding vehicles.json.
Load vehicle definitions from JSONs.
Updating code documentation.
Updated JSON_INFO for traits/mutations.
Small mutation wetness rework, got rid of some useless variables.
List items: Jump to last item when scrolling up from the topmost item.
Set mutation wish menu to a fixed width of 80.
Undid the mutation wish menu fixed wide 80 commit.
tile_config_template.json is an accurate template for all items and hardcoded tiles as of 2 Sept 2013 at 8:00pm CST

tile_id_data.h updated hardcoded keys to include added enum values.

Added comments to the top of enums referenced by tile_id_data.h's arrays to hopefully reduce the need to do fixes like this in the future.
Merge tweaks, json cleanup, and tile fix.