Move CONTRIBUTING.ms and LICENSE.txt back to root of repository.
Second attempt at fixing infinite loop when mapgen can't find anywhere to put a staircase.
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!
Nuke some accidentally merged debug messages.
uptodate titlebar version for tile build
Bump up limit on memorial kill logs.
Adjusting point cost.

This class gets a semi-crappy watch and a crappy weapon. Might be worth
a point.
There's still no point in cutting a rag
There's no point in cutting a result item.
Nuke code that was making a fully connected graph of subway and sewer tunnels.
Restyle make_hiway().
Bail out trying to place a forest after a lot of tries.
Restyle a little chunk of place_forest().
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.
Fixed energy-weapon bionics

* fixed bug where an ammo's effects were permanently modified by a
weapon's ammo_effects until reload
* bio_laser no longer requires UPS (now uses custom weapon instead of v29)
* bio_blaster now has plasma effect and does slightly more damage
* bio_lightning ammo effects moved to gun
* made new sound entries for weapons with LIGHTNING ammo_effect
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