Updated help blocks in all commands

Signed-off-by: Fran Diéguez <fran.dieguez@mabishu.com>
Download or update local repository in module:download command

Signed-off-by: Fran Diéguez <fran.dieguez@mabishu.com>
Minor improvements in module:translate command

Signed-off-by: Fran Diéguez <fran.dieguez@mabishu.com>
Layout improvements in workflow:full table

Signed-off-by: Fran Diéguez <fran.dieguez@mabishu.com>