Adds new types and sizes of doors to RimWorld and an extensible framework for other mods to add such doors.

Currently included:

• Doors (2x1, 3x1) - Double/triple sized vanilla doors.
• Curtains (Tribal) (1x1, 2x1, 3x1) - Fragile, flammable, and made of fabric, these curtains provide fast movement through buildings.
• Jail Door (1x1) - Stronger door to keep prisoners inside.
• Gates (2x1) - Stylized doors perfect for meeting pre-industrial needs.
• Remote Doors (1x1, 2x1, 3x1) - Garage-style doors that can be opened by remote buttons or levers.
• Blast Doors (1x1, 2x1, 3x2) - Incredibly tough and secure doors used to keep greater threats at bay. Also can be opened by remote buttons or levers.
• Autodoors (2x1, 3x2) - Double/triple sized autodoors. All autodoors (including vanilla 1x1 autodoor) also can be opened by remote buttons or levers.

Commissioned by CMDR Toss Antilles. Major rewrite by lbmaian