Rework maths operators

See merge request !57

Add maths operators into views (+tests)
Add views.hpp file

use gitlab docker registryU

See merge request !61

Factorize profile
Cleanup DockerFile
remove installation of gtest in DockerFile

Cleanup image builder

See merge request !58

Merge branch 'development/ranges' of gitlab.lrde.epita.fr:olena/pylene into development/cleanup-image-builder

Conan package deployment

See merge request !59

Fix view directory layout

See merge request !55

Fix clip view

See merge request !54

Migrate rangev3 cmcstl2 @HEAD

See merge request !53

Algo migration

See merge request !52

Migrate for_each

# Conflicts:
#	apps/hyperspec/profiles.hpp
#	apps/misc/psnr.cpp
#	pylene/include/mln/core/algorithm/transpose.hpp