hopefully fixed remaining rotation problems which were introduced in 85b350a48dd738c559cbc2f48bb2d55a55c51da0. the previous fix (858cac50b965c1712b4ee8c4b3dbe60c7e27388c). the new solution reverts usage of x-y-z order specified in the BVH file, rather than a fixed order, and seems ok both for hb-hrf2.bvh and HDM_bk_03-01_02_120.bvh.
trying to solve problem with mapping rotations defined with arbitrary order of xyz angles