SensorPose with anisotropic noise specs

SensorPose has only std_p and std_o as noise specs.

I propose to extend it with individual specs for each of the 6 DoF of pose:

std_px
std_py
std_pz
std_ox
std_oy
std_oz

assigned to @jsola

created branch 477-sensorpose-with-anisotropic-noise-specs to address this issue

mentioned in merge request !461 (merged)

mentioned in commit b79ddca8

closed with merge request !461 (merged)