describe parameters

Signed-off-by: Emmanuel Mathot <emmanuel.mathot@gmail.com>
Merge branch 'master' into develop
ready to pack 1.2.2

Signed-off-by: Emmanuel Mathot <emmanuel.mathot@gmail.com>
Merge branch 'release/1.2.2'
Merge tag '1.2.2' into develop

v1.2.2