[server] Apply abs when computing max_torque #153
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Problem
Some robots have a negative gearRatio which indicates that the rotation of the motor is inverted by the transmission.
However, this makes max_torque negative (climit is guaranteed to be positive and torqueConst is assumed to be positive),
although max_torque is expected to be positive.
Solution
In this PR,
std::absis added when computing max_torque to make it positive.