Merge tag '1.8' into develop

v1.8
Merge tag 'content' into develop

v1.8.1
Parameter extension

Signed-off-by: Emmanuel Mathot <emmanuel.mathot@gmail.com>
parameters feature

Signed-off-by: Emmanuel Mathot <emmanuel.mathot@gmail.com>
ready to pack 1.8.2

Signed-off-by: Emmanuel Mathot <emmanuel.mathot@gmail.com>
Merge branch 'release/1.8.2'