Replace traveler hardware

the traveler is all harken.

old:

• gain: 3:1
• track: R32HB, 5' long
• ends:
• car:

proposed new:

• gain: 4:1
• track: use existing
• ends: 3170 $473.00 900lb load (Big Boat Traveler Control Set Double w/Cam)
• car: T3242B $336.00

other options:

• ends: E3256 $370.00 900lb load (32 mm Big Boat 4:1 Double Sheave End Controls with Cam and Dead End (Pair))
• HC8239 6:1 w/dodger $188.00 each