Change package policy to installed rather than latest

Signed-off-by: Christophe Vanlancker <christophe.vanlancker@inuits.eu>
Sync with upstream using params to manage versions

Signed-off-by: Christophe Vanlancker <christophe.vanlancker@inuits.eu>
Correctly use scope for refering to params variables

Signed-off-by: Christophe Vanlancker <christophe.vanlancker@inuits.eu>
No need to enclose params values between rond brackets

Signed-off-by: Christophe Vanlancker <christophe.vanlancker@inuits.eu>
Merge pull request #9 from carroarmato0/master

Pay attention to variable scope