Bug Fix release

Changed

Replace algorithms.print_log_report by python standard logging
Use numpy to to calculate_disp_pixel
Code cleanup
Removed assets introduced in the initial developmental version of 1.7.1, they can be found here : https://github.com/blaisefaint/MB-Lab_Specific_Assets

Fixed a spelling typo in facerig.populate_modifiers
Finalize character fix
Remove 'self' from args
Moved is_ik_armature, get_active_armature, get_deforming_armature, get_object_parent to utils.py
init.py uses get_active_armature and is_ik_armature from utils (previous was algorithms that wasn't imported)
Armature Toe Bone flipped pose bug
Proxy Fitting was broken, now it is fixed
morphengine.py and humanoid.py reverted back to 1.7.0 version with logging added