Review segmenter params

[pwoods25443]

field	gpsdio_segment	pipe_segment
max_hours	24	24
max_speed	25	30
noise_dist	100	0
reported_speed_multiplier	1.1	1.1
max_speed_multiplier	1600	15
max_speed_exponent	2.0	1.3

[pwoods25443]

Looks like I was mistaken on this. We are using the default values from gpsdio_segment after all..