get_trip: Loading the telematics trip csv file.
In issactoast/ikhyd: "I Know How you Drive - Analysis Tools for Telematics Data"

get_trip function will read a csv file which records the driving trip data

1	get_trip(data_path, data_option = 0, sync_time = NULL)

`data_path`	a path that the trip csv file located
`data_option`	the variables that the user want to select from the data. The following list explains the options; Option 0 : all Option 1 : gps Option 2 : accel xyz Option 3 : linacc xyz Option 4 : gyro xyz Option 5 : roll, pitch, yaw Option 6 : speed, heading Option 7 : magnetometer x, y, z Option 8 : barometer relative altitude, pressure
`sync_time`	this arguments will be used when the recorded data has different time line with video.